Web view · 2016-05-14... Find the value of k for which the system of linear equations 3x+5y=0 and . kx +10y=0 has a non-zero solution. Q 15.)What is the ... +43y=123. 43x+37y=117

KV, SONPUR

SUBJECT-MATHEMATICS

CLASS- VI

LEVEL OF ASSIGNMENT-1

Q(1.) Circle the even number:-

(a) 7 , 6 , 12 , 16 , 17 , 19 , 21

(b) 2 , 9 , 8 , 4 , 12 , 13 , 15

(c) 17 , 6 , 25 , 24 , 32 , 34

(d) 12 , 36, 22 , 29 , 31 , 32

Q(2.) Circle the odd number:-

(a) 9 , 5 , 4 , 3 , 6 , 15

(b) 7 , 9 , 12 , 25 , 44

(c) 14 , 18 , 21 , 23 , 27

(d) 5 , 7 , 9 , 10 , 16 , 19

Q(3.) Find the product:-

(a) 34874 x 8 =

(b) 87642 x 5 =

(c) 43254 x 7 =

(d) 764324 x 9 =

Q(4.) Divide:-

(a) 145 ÷ 8

(b) 4342 ÷ 9

(c) 525 ÷ 5

Q(5.) Write the number in words:-

(a) 25 -

(b) 79 -

(c) 96 -

(d) 109 –

(e) 100 -

Q (6.) Fill in the blanks :-

(a) 100cm= ………m

(b) …… km= 1000 m

(c) 4 km 250 m= ……..m

(d) 1 hour = …….. minutes

(e) 1 litre = ……….ml

Q(7.) Find the products & choose the correct option :-

(a) 2.5 x 1.5

(i) 3.50 (ii) 3.65 (iii) 3.75 (iv) 3.85

(b) 0.2 x 7.5

(i) 1.5 (ii) 1.6 (iii) 1.7 (iv)1.8

Q(8.) Continue the pattern:-

(a) 4, 16, 64, ……, ……., …….,

(b) ABA , BCB , CDC, ……., …….., ……..,

Q(9.) Choose the correct option :-

(a) 80000 ÷ 4

(i) 24000 (ii) 22000 (iii) 20000 (iv) 18000

(b) 78.24 ÷ 6

(i) 13.04 (ii) 13.40 (iii) 13.45 (iv) 13.50


Q(1). Tick the correct option :-

(a) 2 / 7 + 13 / 7

(i) 20/7 (ii) 15/7 (iii) 7/15 (iv) 18/15

Q(2) Fill in the blanks with > ,= , < :-

(a) 1/3 2/6

(b) 2/6 4/12

Q(3) Choose the correct option :-

A rectangular fields length is 30 cm and its breadth is 15 cm . Find its area .

i. 430 sq.cmii. 440 sq.cm

iii. 450 sq.cmiv. 460 sq.cm

Q(4). Solve these:-

(a) 2/5 ÷ 8/5 =

(b) 9/12 ÷ 2/12 =

(c) 253.002 x 1.01 =

(d) 9/2 + 2/2 – 1/2 =

Q (5). Tick the correct option :-

(a) Area of a square –

(i) side x side (ii) 4 x side (iii) side + side (iv)4 + side

(b) Area of a rectangle :-

(i) length +breadth (ii) length x breadth (iii) length – breadth (iv) length ÷ breadth

(c) Perimeter of a rectangle :-

(i) 2(l + b) (ii) 2(l x b) (iii) l x b (iv) l +b


Q. (1)What is the meaning of “Ascending order”?

Q. (2) What is the smallest 5-digit number?

Q. (3) Starting from the greatest 5 digit number, write the previous five numbers in descending order.

Q. (4) What is the value of 1 BILLION in MILLION?

Q. (5)1 gram=…………. milligrams.

Q. (6) Find the difference between the greatest and the least number that can be written using the digits 1, 2, 3, and 4 each only once.

Q. (7) Estimate 730+998, using general rule (round off to hundreds).

Q. (8) What is the value of (CM+DC) in Roman numerals?

Q (9) What is the smallest whole numbers?

Q. (10) What is the value of 10÷0 ?

Q. (11)1 is neither a prime number nor a……………… .

Q. (12) A number which has only two factors is called……….. .

Q. (13) What is a “Ramanujan number”?

Q. (14) What is an acute angle?

Q. (15) What is the value of 2+2÷2x2-2 ?

Q. (16) Find the value of 6+ [3+ {2+ (14-8)}].

Q. (17) When two rays meet at a point, then they forms…………. .

Q. (18) A triangle in which two sides are equal, then it is called an …........... .

Q. (19) What is the value of 1/3+1/3+1/3+1/3+1/3+1/3 ?

Q (20) If for two numbers L.C.M. =24, H.C.F =4 and one number =8; then find other number.

KV, SONPUR

SUBJECT - MATHEMATICS

CLASS- VII


Q(1.) Circle the even number:-

(a) 7 , 6 , 12 , 16 , 17 , 19 , 21

(b) 2 , 9 , 8 , 4 , 12 , 13 , 15

(c) 17 , 6 , 25 , 24 , 32 , 34

(d) 12 , 36, 22 , 29 , 31 , 32

Q(2.) Circle the odd number:-

(a) 9 , 5 , 4 , 3 , 6 , 15

(b) 7 , 9 , 12 , 25 , 44

(c) 14 , 18 , 21 , 23 , 27

(d) 5 , 7 , 9 , 10 , 16 , 19

Q(3.) Find the product:-

(a) 34874 x 8 =

(b) 87642 x 5 =

(c) 43254 x 7 =

(d) 764324 x 9 =

Q(4.) Divide:-

(a) 145 ÷ 8

(b) 4342 ÷ 9

(c) 525 ÷ 5

Q(5.) Write the number name:-

(a) 25 -

(b) 79 -

(c) 96 -

(d) 109 –

(e) 100 -

Q (6.)Fill in the blanks :-

(a) 100cm= ………m

(b) …… km= 1000 m

(c) 4 km 250 m= ……..m

(d) 1 hour = …….. minutes

(e) 1 litre = ……….ml

Q(7.) Find the products & choose the correct option :-

(a) 2.5 x 1.5

(i) 3.50 (ii) 3.65 (iii) 3.75 (iv) 3.85

(b) 0.2 x 7.5

(i) 1.5 (ii) 1.6 (iii) 1.7 (iv)1.8

Q(8.) Continue the pattern:-

(a) 4, 16, 64, ……, ……., …….,

(b) ABA , BCB , CDC, ……., …….., ……..,


(a) 80000 ÷ 4

(i) 24000 (ii) 22000 (iii) 20000 (iv) 18000

(b) 78.24 ÷ 6

(i) 13.04 (ii) 13.40 (iii) 13.45 (iv) 13.50


Q(1.)Tick the correct option :-

(a) 2 / 7 + 13 / 7

(i) 20/7 (ii) 15/7 (iii) 7/15 (iv) 18/15

Q(2.) Fill in the blanks with > ,= , <

(a) 1/3 2/6

(b) 2/6 4/12



i) 430 sq.cm ii) 450 sq.cm iii) 440 sq.cm iv) 460 sq.cmQ(4.) Solve these:-

(a) 2/5 ÷ 8/5 =

(b) 9/12 ÷ 2/12 =

(c) 253.002 x 1.01 =

(d) 9/2 + 2/2 – 1/2 =

Q (5.)Tick the correct option :-





























Q. (1) Integers form a bigger collection of numbers which contain ----------- and negative of natural numbers.

Q. (2) Write a negative integer and a positive integer whose sum is (-5).

Q. (3) What is the value of 625 x (-35) + (-625) x65 ?

Q. (4) A………… fraction is a fraction that represents a part of a whole.

Q. (5) Write five equivalent fraction of1/7.

Q. (6) Two non –zero numbers whose product with each other is 1, are called the ------------of each other.

Q. (7) When the sum of the measures of two angles is 900,the angles are called________angles.

Q. (8) The difference in the measures of two complementary angles is 300.Find the measures of the angles.

Q. (9) When a transversal cuts two parallel lines, then each pair of corresponding angles are_________.

Q. (10) A_________ is a pair of adjacent angles whose non-common sides are opposite rays.

Q. (11) Median refers to the value which lies in the ________of the data.

Q. (12) The ________ of a set of observations is the observation that occurs most frequently.

Q. (13) An________ is a condition on a variable such that two expressions in the variable should have equal value.

Q. (14) When we add 4 to eight times of a number then we get 60.What is the number ?

Q. (15) The sum of the lengths of any two sides of a triangle is greater than the length of the __________.

Q. (16) The six elements of a triangle are the “three angles” and the “_________”.

Q. (17) Among two congruent angles, if one angle is 750, then what is the measure of another angle?

Q. (18) Are the ratios 1:2 and 2:3 equivalent?

Q. (19) What rate gives Rs280 as interest on a sum of Rs56, 000 in 2 years?

Q. (20) What is the area of a circle ,whose radius is 7 cm?

KENDRIYA VIDYALAYA , SONPUR

GRADED ASSIGNMENT FOR CLASS-8 (2016-2017)

SUBJECT-MATHEMATICS


Q(1.) Tick the correct option :-

(a) 2 / 7 + 13 / 7

(i) 20/7 (ii) 15/7 (iii) 7/15 (iv) 18/15

Q(2.) Fill in the blanks with > ,= , <

(a) 1/3 2/6

(b) 2/6 4/12



i. 430 sq.cmii. 440 sq.cm

iii. 450 sq.cmiv. 460 sq.cm

Q(4.) Solve these:-

(a) 2/5 ÷ 8/5 =

(b) 9/12 ÷ 2/12 =

(c) 253.002 x 1.01 =

(d) 9/2 + 2/2 – 1/2 =

Q (5.) Tick the correct option :-

















































LEVEL OF ASSIGNMENT-5Q. (1) How many rational numbers lies between two given rational numbers ?

Q. (2) What is the additive inverse of 1/3 ?

Q. (3)Write a rational number between √2 and √3.

Q. (4) What is the multiplicative inverse or reciprocal of -5/9?

Q. (5) The sum of two numbers is 95. If one exceeds the other by 15,then what is smaller number?

Q. (6) Convert the ratio 3:4 to percentage.

Q. (7) Express 125% as a ratio.

Q. (8) 5% of which number is 12 ?

Q. (9) What is the amount on Rs100 for 2 years at the rate of 10% p.a., compounded annually?

Q. (10) What is the value of 202x198? (Using identities)

Q. (11) Which of the following is a Pythagorean triplet?

(a) (2,3,5) (b) (5,7,9) (c) (6,9,11) (d) (8,15,17)

Q. (12) What is the value of ‘K’ for which the number “2 K 3” is completely divisible by 3.

(A)12 (B)6 (C)4 (D)11

Q. (13) What must be subtracted from (3a2 -6ab +1) to get (2a2 -6ab) ?

Q. (14) What is the value of (a2 +b2), if (a+b) =12 and ab=35 ?

Q. (15)Can a polyhedron has 6 faces, 12 edges and 8 vertices?

Q. (16) If cost of 20 dolls is Rs 500.Then, what is the cost of 80 dolls?

Q. (17) If x and y vary inversely and x=15 when y=6.Then, find the value of `y` when x=9.

Q. (18) What is the number of diagonals in a pentagon?

Q. (19) .What is the sum of all interior angles of a regular hexagon?

Q. (20)The base of a triangle is four times its height and its area is 50m2.The length of its base is____________.

KENDRIYA VIDYALAYA SONPUR

GRADED ASSIGNMENT FOR CLASS-9 (2016-2017)

SUBJECT-MATHEMATICS











































LEVEL OF ASSIGNMENT-5Q. (1) How many rational numbers lies between two given rational numbers ?











(a) (2,3,5) (b) (5,7,9) (c) (6,9,11) (d) (8,15,17)


(A)12 (B)6 (C)4 (D)11






Q. (18) What is the number of diagonals in a pentagon?


Q. (20)The base of a triangle is four times its height and its area is 50m2.The length of its base is____________.


Q. (1) Write three rational numbers between1/3 and1/2.

Q. (2) Represent 1.333… in p/q form.

Q. (3)What is the value of (32)0.2 ?

Q. (4) What is the value of `a` and `b`, if 3+√5/3-√5=a+b√5.

Q. (5)What the value of m, if (x+3) is a factor of (3x2+mx+6).

Q. (6)If x+y+z =0,then what is the value of ( x3+y3+z3 ) .

Q. (7) What is the equation of x-axis? What is the equation of y-axis ?

Q. (8) How many lines can be drawn through a given point ?

Q. (9)Write one irrational number between 3/4 and 3/5 .

Q. (10) What is the value of ‘k’, if (x-2) is a factor of ( x2-kx+6)?

Q. (11)Two distinct lines cannot have more than ………point in common .

Q. (12)Three angles of a quadrilateral are respectively equal to 1100, 400 and700 .Find the fourth angle.

Q. (13)If two supplementary angles are in the ratio 3:7;then find the angles.

Q. (14) An angle of a parallelogram is two-third of its adjacent angles. What are the angles of the parallelogram?

Q. (15)Find the radius of a sphere whose surface area is 154 cm2 .Find the volume of sphere.

Q. (16)The mean of 10,12,16,20,pand 26 is 17.Find the value of ‘p’.

Q. (17) If two angles of a triangle are unequal, then the smaller angle has the …………side opposite to it.

Q. (18) A cyclic parallelogram is a …………. .(rectangle/ square)

Q. (19)What is the area of a triangle whose sides are 5cm,12cm and 13cm ?

Q. (20) One card is drawn from a well-shuffled deck of 52 cards. What is the probability of that card is ‘an ace’ ?

KENDRIYA VIDYALAYA SONPUR

GRADED ASSIGNMENT FOR CLASS-10(2016-2017)

SUBJECT-MATHEMATICS























Q. (1) How many rational numbers lies between two given rational numbers ?











(a) (2,3,5) (b) (5,7,9) (c) (6,9,11) (d) (8,15,17)


(A)12 (B)6 (C)4 (D)11






Q. (18)What is the number of diagonals in a pentagon?


Q. (20 The base of a triangle is four times its height and its area is 50m2.The length of its base is____________.


Q. (1) Write nine rational numbers between 0.1 and 0.2 .

Q. (2) Represent 0.001001001… in p/q form.

Q. (3) What is the value of (32)0.2 ?

Q. (4) What is the value of `a` and `b`, if 3+√5/3-√5=a+b√5.

Q. (5)What the value of m, if (x+3) is a factor of (3x2+mx+6).

Q. (6) If x+y+z = 0,then what is the value of ( x3+y3+z3 ) .

Q. (7) What is the equation of x-axis? What is the equation of y-axis ?

Q. (8) How many lines can be drawn through a given point ?

Q. (9) Write one irrational number between 3/4 and 3/5 .

Q. (10) What is the value of ‘k’, if (x-2) is a factor of ( x2-kx+6)?

Q. (11)Two distinct lines cannot have more than ………point in common .

Q. (12)Three angles of a quadrilateral are respectively equal to 1100, 400 and700 .Find the fourth angle.

Q. (13)If two supplementary angles are in the ratio 3:7;then find the angles.

Q. (14) An angle of a parallelogram is two-third of its adjacent angles. What are the angles of the parallelogram?

Q. (15)Find the radius of a sphere whose surface area is 154 cm2 .Find the volume of sphere.

Q. (16)The mean of 10,12,16,20,pand 26 is 17.Find the value of ‘p’.

Q. (17) If two angles of a triangle are unequal, then the smaller angle has the …………side opposite to it.

Q. (18) A cyclic parallelogram is a …………. .(rectangle/ square)

Q. (19)What is the area of a triangle whose sides are 5cm,12cm and 13cm ?

Q. (20) One card is drawn from a well-shuffled deck of 52 cards. What is the probability of that card is ‘an ace’ ?

Q. (21) writes the smallest non negative integer?

Q. (22) what is the degree of a non zero constant polynomial?

Q. (23) in which quadrant the point (1,-2) lie?

Q. (24) Write the equation of a line parallel to the X- axis at a distance n from it .


Q(1.)State Euclid’s division lemma.

Q(2.)State Fundamental theorem of Arithmetic.

Q(3.)Is it possible to have two numbers whose HCF is 25 and LCM is 520 ?

Q(4.)The LCM of two numbers is 120.Explain why the HCF of these numbers cannot be 500 ?

Q(5.) Give an example of two irrationals whose sum is rational.

Q(6.)Give an example of two irrationals whose product is rational.

Q(7.) If a and b are two prime numbers then what is the value of LCM (a,b) ?

Q(8.)If the product of two numbers is 1050 and their HCF is 25, find their LCM.

Q(9.)If ‘a’ and ‘b’ are two prime numbers then what is the value of HCF (a,b) ?

Q(10.)Explain why 0.150150015001… is an irrational number?

Q(11.)Write the numbers of solutions of the following pair of linear equations:-

X+2y-8=0, 2x+4y=16.

Q(12.)Write the number of solutions of the following pair of linear equations:- x+3y-4=0 and 2x+6y-7=0

Q(13.)The sum of two numbers is 80. The larger number exceeds four times the smaller one by 5. Find the numbers.

Q(14.)Find the value of k for which the system of linear equations 3x+5y=0 and kx +10y=0 has a non-zero solution.

Q(15.)What is the value of ‘k’ for which the system of linear equations 2x+3y=9 and 4x+ky=11 has no solution ?

Q(16.)If 12x+17y = 53 and 17x + 12y = 63; then find the value of (x+y).

Q(17.)If a pair of linear equations is inconsistent, then their graph lines will be…………… .

Q(18.) If a pair of linear equations is consistent, then their graph lines will be…………… .

Q(19.)Write the number of solutions of the following pair of linear equations:-

2X+3y-4=0 and 3x+5y-7=0

Q(20.)What is the value of ‘k’ for which the system kx-2y=2 and 6x-4y=4 has infinitely many solutions.

Q. (21)Express 156 as a product of its prime factors.

Q.22 The decimal expansion of the rational number 43/2⁴.5ᵌ

Q.23. Show that one and only one of n, n+2 and n+4 is divisible by 3.

Q.24. Prove that √2+√3 is irrational.

Q.25 Show that the square of an odd positive integer can be of the form 6q+1 or 6q+3 for some integer q.

Q.26. Find the largest number which divides 248 & 1032 leaving remainder 8 in each case.

Q.27.Draw the graph of the equation x-y+1=0 & 3x+2y-12=0. Determine the coordinates of the vertices of the triangle formed by these lines and the x-axis & shade the triangular region.

Q.28.Solve the following pairs of linear equations:-

i) px+qy=p-q ii)x/a-y/b=0

qx-py=p+q ax+by =a²+b²

iii)ax/b-by/a=a+b iv)5/x-1+1/y-2=2

ax-by=2ab 6/x-1-3/y-2=1

v)37x+43y=123

43x+37y=117

Q.29.The angles of a triangle are x,y&40° the difference between the two angles x &y is 30°.Find x & y.

Q.30.Solve the equations 5x-y=5 & 3x-y=3, graphically.

Q.31.Solve the pair of equations by cross multiplication method-

2x+y=5 , 3x+2y=8

Q.31.The sum of two numbers is 8. Determine the numbers if the sum of their reciprocal is 8/15.

Q.32.It can take 12 hours to fill a swimming pool using two pipes. If the pipe of larger diameter is used for 4 hours and the pipe of smaller diameter for 9 hours, only half the pool can be filled. How long would it take for each pipe to fill the pool separately ?

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Web view · 2016-05-14... Find the value of k for which the system of linear equations 3x+5y=0 and . kx +10y=0 has a non-zero solution. Q 15.)What is the ... +43y=123. 43x+37y=117