NUMERICAL APTITUDE QUESTIONS DMRC

1 (95.6x 910.3) ÷ 92.56256 = 9?(A) 13.14(B) 12.96(C) 12.43(D) 13.34(E) None of these

2. (4 86%of 6500) ÷ 36 =?(A) 867.8(B) 792.31(C) 877.5(D) 799.83(E) None of these

3. (12.11)2 + (?)2 = 732.2921(A) 20.2(B) 24.2(C)23.1(D) 19.2(E) None of these

4.576÷ ? x114=8208(A)8(B)7(C)6(D)9(E) None of these

5. (1024—263—233)÷(986—764— 156) =?(A)9(B)6(C)7(D)8(E) None of these

6. ?125÷5x ?=6265(A)1253(B) 1250(C)1245(D) 1550(E) None of these

7.(42)2÷6.3 x 26 =?(A)7182(B) 7269(C)7260(D) 7240(E) None of these

8(A)9024(B) 9216(C)6676(D) 6814(E) None of these.

9.6534÷40÷33=?(A)3.06(B) 5.25(C)4.82(D) 6.12(E) None of these

9.6534÷40÷33=?(A)3.06(B) 5.25(C)4.82(D) 6.12(E) None of these

10. ?2704 x ?2209=?(A)1996(B)2444(C)2452(D)1983(E)None of these

12. (2560 x 1.4) +(7400 x 0.6) =?(A)7512(B) 9746(C)6523(D) 8024(E) None of these

13. 36%of 850+? %of 592 = 750(A)73(B)89(C)82(D)75(E) None of these

14.64%of 2650+40% 0f 320=?(A)1824(B) 1902(C)1829(D) 1964(E) None of these

15. 486+32×25—59=?(A) 514(B) 528(C) 599(D) 507

(E) None of these

16. 1827÷ 36 x ?=162.4(A)4.4(B)3.2(C)2.1(D) 3.7(E) None of these

17. 1008÷36=?(A)28(B) 32.5(C)36(D) 22.2(E) None of these

18. 56.21 +2.36+5.41 —21.4+1.5=?(A)40.04(B) 46.18(C)44.08(D) 43.12(E) None of these

19. 65%of 320+?=686(A) 480(B) 452(C)461(D) 475(E) None of these

20. 83250÷?=74×25(A)50(B) 45(C)40(D) 55(E) None of these

21. ?7744=?(A)88(B)62(C)58(D)78(E)None of these

22.35%of ?=242(A)729(B)652(C)693(D)759(E) None of these

23. 1256+4813+765=?(A)5642(B) 5876(C)6788D) 6878(E) None of these

24. 22 x4+(?)2=(13)2(A) 81(C) 27(B) 9(D) 64(E) None of these

25. 432+2170+35=?(A)494(B) 475(C)481(D) 469(E) None of these

26. Three numbers are in the ratio of 3: 4 :5 respectively. If the sum ofthe first and third numbers is more than the second number by 52, thenwhich will be the largest number?(A) 65(B) 52(C) 79(D) 63(E) None of these

27. The compound interest on a certain amount for 2 years at the rate of8 p.c.p.a. is Rs.312. What will be the simple interest on the same amountand at the same rate and same time?(A)Rs. 349.92(B) Rs. 300(C)Rs. 358.92(D) Rs. 400(E) None of these

28. The length of a rectangle exceeds its breadth by 7 ems. If the lengthis decreased by 4 cm. and the breadth is increased by 3 cms., then thearea of the new rectangle will be the same as the area of the originalrectangle. What will be the perimeter of the original rectangle?(A)45 cms.(B)40 cems.(C)50 cms.(D)55 cms.(E)None of these

29. The sum of the digits of a two digit number is 12. If the new numberformed by reversing the digits is greater than the original number by 54,then what will be the original number?(A)28(B) 48

(C)39(D) 93(E) None of these

30. In a fraction, twice the numerator is two more than the denominator.If 3 is added to the numerator and the denominator each, then theresultant fraction will be 2/3 .What was the original fraction ?(A)5/18(B)6/13(C)13/6(D)7/12(E) None of these31. Four-fifth of a number is 10 more than two-third of the same number.What is the number?(A) 70(B) 75(C) 69(D) 85(E) None of these

32. A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbswere fused and had to be thrown away. The remaining were sold at Rs. 12each. What will be the percentageprofit?(A) 25(B) 15(C) 13(D) 17(E) None of these33. What should come in the place of question mark (?) in the numberseries given below?25, 34, 52,79, 115,?(A)160(B) 140(C)153(D) 190(E)None of these

34. What number should replace both the question marks (?) in thefollowing question ??/144= 49 /?(A)95(B) 76(C)82(D) 84(E)None of these

35. The sum of three consecutive even numbers is 252. What is the sum ofthe smallest and the largest numbers?(A)158(B) 148(C)168(D) 198(E) None of these

__36. Ajay spends 25% of his salary on house rent, 5% on food, 15% ontravel, 10% on clothes and the remaining amount of Rs. 27,000 is saved.What is Ajay’s income?(A) Rs. 60,000(B) Rs. 80,500(C) Rs. 60,700(D) Rs. 70,500(E) None of these

37. In how many different ways, can the letters of the word ‘CRISIS’ bearranged ?(A) 150(B) 240(C) 120(D) 200(E) None of these

38. At each corner of a square park with side equal to 40 m, there is aflower bed in the form of a sector of radius 14 m. What is the area ofthe remaining part of the park?(A)984 Square m(B) 789 Square m(C) 1014 Square m(D) 1024 Square m(E) None of these

39. The length of a rectangular field is thrice its breadth. If the costof cultivating the field at Rs. 367.20 per square meter is Rs. 27,540,then what is the perimeter of the rectangle?(A)47m(B) 39m(C)52m(D)40m(E) None of these

40. If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending orderof their values, which one will be fourth?(A)4/5(B)5/4(C)9/5(D)8/5(E) 7/2

41. The present ages of Chetna and Shikha are in the ratio of 5 :7respectively. After 7 years, their ages will be in the ratio of 11:14respectively. What is the difference between their ages?(A)9 years(B) 4 years(C)5 years(D) 7 years(E) None of these_____________Download

42. If 13 men can complete a piece of work in 36 days, then in how manydays will 18 men complete the same work?(A)16 days(B) 20 days(C)26 days(D) 30 days(E) None of these

43. If the area of a circle is 75.44 square cm then what is thecircumference of the circle?(A)29.2 cm(B) 28.9 cm(C)30.8 cm(D) 40.2 cm(E) None of these

44. Girish started a business investing Rs. 45,000. After 3 months, Vijayjoined him with a capital of Rs. 60,000. After another 6 months, Ankushjoined them with a capital of Rs. 90,000. At the end of the year, theymade a profit of Rs. 16,500. What is Girish’s share of profit ?(A) Rs. 5,500(B) Rs. 6,000(C) Rs. 6,600(D) As. 5,900(E) None of these

45. What is the average age of a family of five members, whose ages are42, 49, 56, 63 and 35 years respectively?(A)60 years(B) 49 years(C)45 years(D) 58 years(E) None of these46. A and B are two taps which can fill a tank individually in 10 minutesand 20 minutes respectively. However, there is a leakage at the bottomwhich can empty a filled tank in 40 minutes. If the tank is emptyinitially, how much time will both the taps take to fill the tank(leakage is still there) ?(A) 8 minutes(B) 7 minutes(C) 10 minutes(D)15 minutes(E) None of these

47. What is 50% of 40% of Rs. 3,450?(A) Rs. 690(B) As. 520(C) Rs. 517.5(D) Rs. 499.2(E)non

48. If an amount of Rs. 5,86,700 is distributed equally amongst 25persons, then how much would each person get?

(A) Rs. 2,54,876(B) Rs. 2,34,68(C) Rs. 3,74,20(D) Rs. 1,95,62(E) None of these

49. An urn contains 9 blue, 7 white and 4 black balls. If 2 balls aredrawn at random, then what is the probability that only one ball iswhite?(A) 71/190(B) 121/190(C) 91/190(D) 93/190(E) None of these

50. If the price of 5 transistors and 2 pen stands is Rs. 810, then whatwill be the price of 7 transistors and 9 pen stands?(A) Rs. 1,320(B) Rs. 1,500(C) Rs.1,150(D) Cannot be determined(E) None of these

ANSWERS:1 - D 2 - C 3 - B 4 - A 5 - D 6 - A 7 - E 8 - B 9 - E 10 - B 11 - C 12- D 13 - D 14 - A 15 - B16 - B 17 - A 18 - C 19 - E 20 - B 21 - A 22 - C 23 - E 24 - B 25 - A 26- A 27 - B 28 - C 29 - C 30 - D 31 - B 32 - D 33 - A 34 - D 35 - C 36 -A 37 - E 38 - A 39 - D 40 - B 41 - E 42 - C 43 - C44 - A 45 - B 46 - A 47 - A 48 - B 49 - E 50 - D_____________Down

load from JbigDeaL____________

(Quantitative Aptitude)

1. In a division sum, the divisor is 10 times the quotient and 5 timesthe remainder. If the remainder is 46, the dividend is:(1) 4236 (2) 4306(3) 4336 (4) 5336

2. If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is:(1) 730/77 (2) 73/77(3) 7.3/77 (4) 703/77

____________3. An employee may claim Rs. 7.00 for each km when he travels by taxi andRs. 6.00 for each km if he drives his own car. If in one week he claimedRs. 595 for traveling km. How many kms did he travel by taxi?(1) 55 (2) 65(3) 62 (4) 70

4. The square root of 3 + “5 is :(1) “3 /2 + 1/”2 (2) “3 /2 - 1/”2(3) “5 /2 - 1/”2 (4) “(5/2) + “(1/2)

5. The mean temperature of Monday to Wednesday was 370C and of Tuesday toThursday was 340C, if the temperature on Thursday was 4/5th that ofMonday, then what was the temperature on Thursday?(1) 36.50C (2) 360C(3) 35.50C (4) 340C

6. A certain number of two digits is three times the sum of its digits.If 45 be added to it, the digits are reversed. The number is:(1) 72 (2) 32(3) 27 (4) 23

7. Three years ago the average age of A and B was 18 years. While Cjoining them now, the average becomes 22 years. How old (in years) is Cnow?(1) 24 (2) 27(3) 28 (4) 308. If 2^(2x-1) = 8^(3-x), then the value of x is:(1) -1 (2) -2 3) 2 (4) 39. A man’s basic pay for a 40 hours’ week is Rs. 200. Overtimes is paidat 25% above the basic rate. In a certain week, he worked overtime andhis total was Rs. 300. He therefore, worked for a total of (in hours):(1) 52 (2) 56(3) 58 (4) 62

10. On a Rs. 10, 000 payment order, a person has choice between 3successive discounts of 10%, 10% and 30% and 3 successive discounts of40%, 5% and 5%. By choosing the better one he can save (in Rupees):(1) 200 (2) 255(3) 400 (4) 43311. Rs. 600 are divided among A, B, C so that Rs. 40 more than 2/5 th ofA’s share, Rs. 20 more that 2/7 th of B’s share and Rs. 10 more than 9/17

th of C’s may all be equal. What is A’s share (in Rupees)?(1) 150 (2) 170(3) 200 (4) 280

12. A, B, C started a business with their investment in the ratio 1 : 3 :5. After 4 months, A invested the same amount as before and B as well asC withdrew half of their investments. The ratio of their profits at theend of the year was:(1) 5 : 6 : 10 (2) 6 : 5 :10(3) 10 : 5 : 6 (4) 4 : 3 : 5

13. If 9 men working 71/2 hours a day can finish a piece of work in 20days, then how many days will be taken by 12 men, working 6 hours a dayto finish the work? It is being given that 2 men of latter type work asmuch as 3 men of the former type?(1) 91/2 (2) 11(3) 121/2 (4) 13

14. Three pipes A, B and C can fill a cistern in 6 hours. After workingat it together for 2 hours, C is closed and A and B can fill theremaining part in 7 hours. The number of hours taken by C alone to fillthe cistern is:(1) 12 (2) 14(3) 16 (4) 18_____________Download 15. A train B speeding with 120 kmph crosses another train C running inthe same direction, in 2 minutes. If the lengths of the trains B and C be100 m and 200 m respectively, what is the speed (in kmph) of the train C?(1) 111 (2) 123(3) 127 (4) 129

16. River is running at 2 kmph. It took a man twice as long to row up asto row down the river. The rate (in km/hr) of the man in still water is:(1) 8 (2) 10(3) 4 (4) 6

17. A merchant has 1000 kg of sugar, part of which he sells at 8% profitand the rest at 18% profit. He gains 14% on the whole. The quantity (inkg.) sold at 18% profit is:(1) 560 (2) 600(3) 400 (4) 640

18. A sum of money becomes Rs. 13, 380 after 3 years and Rs. 20, 070after 6 years on compound interest. The sum (in Rupees) is:(1) 8800 (2) 8890(3) 8920 (4) 9040

19. A well with 14 m inside diameter is dug 10 m deep. Earth taken out ofit, has been evenly spread all around it to a width of 21m to form anembankment. The height (in metres) of the embankment is:(1) 1/2 (2) 2/3(3) 3/4 (4) 3/520. A rectangular carpet has an area of 120 sq metres and a perimeter of46 metres. The length of its diagonal (in metres) is:

(1) 11 (2) 13(3) (3) 15 (4) 17

ANSWERS1. (4), 2. (2), 3. (1), 4. (4), 5. (2) 6. (3), 7. (1), 8. (3), 9. (2),10. (2) 11. (1), 12. (1), 13. (3), 14. (2), 15. (1) 16. (4), 17. (2), 18.(3), 19. (2), 20. (4)

www.freshersadda.netDMRC Junior Engineer Electronics Question Paper 2013 Model Paper1.The number of digits in octal system isa.8b.7c.10d. none2..The number of digits in Hexadecimal system isa.15b.17c.16d. 83.The number of bits in a nibble isa.16b.5c.4d.84.The digit F in Hexadecimal system is equivalent to —— in decimal systema.16b.15c.17d. 85.Which of the following binary numbers is equivalent to decimal 10a.1000b.1100c.1010d.10016.The number FF in Hexadecimal system is equivalent to —— in decimal systema.256b.255c.240d.2397.IC s area. analog

b. digitalc. both analog and digitald. mostly analog

8.The rate of change of digital signals between High and Low Level isa. very fastb. fastc. slowd. very slow

9. Digital circuits mostly usea. Diodesb. Bipolar transistorsc. Diode and Bipolar transistorsd. Bipolar transistors and FETs

10.Logic pulsera. generates short duration pulsesb. generate long duration pulsesc. generates long and short durationd. none of above

11.What is the output state of an OR gate if the inputs are 0 and 1?a.0b.1c.3d.2

12.What is the output state of an AND gate if the inputs are 0 and 1?a.0b.1c.3d.2

13.A NOT gate has…a. Two inputs and one outputb. One input and one outputc. One input and two outputsd. none of above

14.An OR gate has…a. Two inputs and one outputb. One input and one outputc. One input and two outputsd. none of above15.The output of a logic gate can be one of two _____?a. Inputsb. Gatesc.Statesd. none

16.Logic states can only be ___ or 0.a. 3b. 2c.1d.0

17.The output of a ____ gate is only 1 when all of its inputs are 1a. NORb. XORc. ANDd. NOT

18.A NAND gate is equivalent to an AND gate plus a …. gate put together.a. NORb. NOTc. XORd. none

19.Half adder circuit is ______?a. Half of an AND gateb. A circuit to add two bits togetherc. Half of a NAND gated. none of above

20. Numbers are stored and transmitted inside a computer ina. binary formb. ASCII code formc. decimal formd. alphanumeric form

21.The decimal number 127 may be represented bya. 1111 1111Bb. 1000 0000Bc. EEHd. 0111 1111

22.. A byte corresponds toa. 4 bitsb. 8 bitsc. 16 bitsd. 32 bits

23.A gigabyte representsa.1 billion bytesb. 1000 kilobytesc. 230 bytesd. 1024 bytes

24. A megabyte representsa. 1 million bytesb. 1000 kilobytesc. 220 bytesd. 1024 bytes

25.. A Kb corresponds toa. 1024 bitsb. 1000 bytesc.210 bytesd. 210 bits

26.A parity bit isa. used to indicate uppercase lettersb. used to detect errorsc. is the first bit in a byted. is the last bit in a byte

27. Which of these devices are two state.a. lampb. punched cardc. magnetic taped. all the above

The output impedance of of a logic pulser isa. lowb. highc. may be low or highd. none of above

28.The number of LED display indicators in logic probe area.1b.2c.1 or 2d.4

29.In hexadecimal number system,A is equal to decimal numbera.10b.11c.17d.18

30.Hexadecimal number F is equal to octal numbera.15b.16c.17d.18

31.Hexadecimal number E is equal to binary numbera.1110b.1101c.1001d.1111

32.Binary number 1101 is equal to octal numbera.15b.16c.17d.14

33.Octal number 12 is equal to decimal numbera.8b.11c.9d. none

34.Decimal number 10 is equal to binary numbera.1110b.1000c.1001d.1010

35.Binary number 110011011001 is equal to decimal numbera.3289b.2289c.1289d.289

36.1111+11111=a.101111b.101110c.111111d.011111

37.Binary multiplication 1*0=a.1b.0c.10d.11

38.110012 -100012=a.10000b.01000c.00100d.00001

39.10112*1012=a.55b.45c.35d.25

40.1110112*100012=a.111101101b.111101100c.111110d.1100110

41.4 bits is equal toa. 1 nibbleb.1 bytec. 2 byted. none of above

42. which is non-volatile memorya. RAMb. ROMc. bothd. none

43. The contents of these chips are lost when the computer is switched off?a. ROM chipsb. RAM chipsc. DRAM chipsd. none of above

44.What are responsible for storing permanent data and instructions.?a. RAM chipsb. ROM chipsc. DRAM chipsd. none of above

45. Which parts of the computer perform arithmetic calculations?a. ALUb. Registersc. Logic busd. none of above

Sample Questions:

The number of bits in a nibble isa.16b.5c.4d.8

The digit F in Hexadecimal system is equivalent to —— in decimal systema.16b.15c.17d. 8

Which of the following binary numbers is equivalent to decimal 10a.1000b.1100c.1010d.1001

The number FF in Hexadecimal system is equivalent to —— in decimal systema.256b.255c.240d.239

IC s area. analogb. digitalc. both analog and digitald. mostly analog

The rate of change of digital signals between High and Low Level isa. very fastb. fastc. slowd. very slow

Digital circuits mostly usea. Diodesb. Bipolar transistorsc. Diode and Bipolar transistorsd. Bipolar transistors and FETs

Logic pulsera. generates short duration pulsesb. generate long duration pulsesc. generates long and short durationd. none of above

What is the output state of an OR gate if the inputs are 0 and 1?a.0b.1c.3d.2

What is the output state of an AND gate if the inputs are 0 and 1?a.0b.1c.3d.2

A NOT gate has…a. Two inputs and one outputb. One input and one outputc. One input and two outputsd. none of above

An OR gate has…a. Two inputs and one outputb. One input and one outputc. One input and two outputsd. none of above