Clasa a Ix a an Scolar 2014,Sat

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CLASA A IX A AN SCOLAR 2014-2015

T1 SAT 1.Of the following, which is greater than ?

A. 2/5B. 4/7C. 4/9D. 5/11E. 6/13

2.If an object travels at five feet per second, how many feet does it travel in one hour?

A. 30B. 300C. 720D. 1800E. 18000

3.What is the average (arithmetic mean) of all the multiples of ten from 10 to 190 inclusive?

A. 90B. 95C. 100D. 105E. 110

4.A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?

A. 48B. 32C. 24D. 18E. 12

5.In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?

A. 6B. 15C. 24D. 33E. 54

6.If f(x) = (x 50), what is the value of f(-5) ?

A. 75B. 25C. 0D. -25E. -75

7.( 2 - 3 ) =

A. 5 - 26B. 5 - 6C. 1 - 26D. 1 - 2E. 1

8.230+ 230+ 230+ 230=

A. 8120B. 830C. 232D. 230E. 226

9.Amy has to visit towns B and C in any order. The roads connecting these towns with her home are shown on the diagram. How many different routes can she take starting from A and returning to A, going through both B and C (but not more than once through each) and not travelling any road twice on the same trip?

A. 10B. 8C. 6D. 4E. 2

10.In the figure above AD = 4, AB = 3 and CD = 9. What is the area of triangle AEC ?

A. 18B. 13.5C. 9D. 4.5E. 3

KEY

1.B

2.E

3.C

4.A

5.C

6.B

7.A

8.C

9.B

10.D

T2.

1.Which of the following could be a value of x, in the diagram above?

A. 10B. 20C. 40D. 50E. any of the above

2.Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes per hour, or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required?

A. 10B. 15C. 20D. 25E. 30

3.Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps?

A. 5 : 1B. 10 : 5C. 15 : 2D. 20 : 2E. 25 : 2

4.A 3 by 4 rectangle is inscribed in circle. What is the circumference of the circle?

A. 2.5B. 3C. 5D. 4E. 10

5.Two sets of 4 consecutive positive integers have exactly one integer in common. The sum of the integers in the set with greater numbers is how much greater than the sum of the integers in the other set?

A. 4B. 7C. 8D. 12E. it cannot be determined from the information given.

6.If f(x) = (x + 2) / (x-2) for all integers except x=2, which of the following has the greatest value?

A. f(-1)B. f(0)C. f(1)D. f(3)E. f(4)

7.ABCD is a square of side 3, and E and F are the mid points of sides AB and BC respectively. What is the area of the quadrilateral EBFD ?

A. 2.25B. 3C. 4D. 4.5E. 6

8.If n 0, which of the following must be greater than n?

I 2nII nIII 2 - n

A. I onlyB. II onlyC. I and II onlyD. II and III onlyE. None

9.After being dropped a certain ball always bounces back to 2/5 of the height of its previous bounce. After the first bounce it reaches a height of 125 inches. How high (in inches) will it reach after its fourth bounce?

A. 20B. 15C. 8D. 5E. 3.2

10.n and p are integers greater than 15n is the square of a number75np is the cube of a number.The smallest value for n + p is

A. 14B. 18C. 20D. 30E. 50KEY T2

1.B

2.A

3.E

4.C

5.D

6.D

7.D

8.E

9.C

10.A

T3: 1.The distance from town A to town B is five miles. C is six miles from B. Which of the following could be the distance from A to C?

I 11II 1III 7

A. I onlyB. II onlyC. I and II onlyD. II and III onlyE. I, II, or III.

2.5 percent of 55 =

A. 0.05B. 0.25C. 0.5D. 2.5E. 25

3.If pqr = 1 , rst = 0 , and spr = 0, which of the following must be zero?

A. PB. QC. RD. SE. T

4.

A. 1/5B. 6/5C. 6D. 64/ 5E. 645.-20 , -16 , -12 , -8 ....In the sequence above, each term after the first is 4 greater than the preceding term. Which of the following could not be a term in the sequence?

A. 0B. 200C. 440D. 668E. 762

6.If f(x) = x 3, where x is an integer, which of the following could be a value of f(x)?

I 6II 0III -6

A. I onlyB. I and II onlyC. II and III onlyD. I and III onlyE. I, II and III

7.For how many integer values of n will the value of the expression 4n + 7 be an integer greater than 1 and less than 200?

A. 48B. 49C. 50D. 51E. 52

8.In the above correctly worked addition sum, A,B,C and D represent different digits, and all the digits in the sum are different. What is the sum of A,B,C and D?

A. 23B. 22C. 18D. 16E. 14

9.12 litres of water are poured into an aquarium of dimensions 50cm length, 30cm breadth, and 40cm height. How high (in cm) will the water rise?(1 litre = 1000cm3)

A. 6B. 8C. 10D. 20E. 40

10.Six years ago Anita was P times as old as Ben was. If Anita is now 17 years old, how old is Ben now in terms of P ?

A. 11/P + 6B. P/11 +6C. 17 - P/6D. 17/PE. 11.5P

1.ENot attempted

2.B

3.D

4.E

5.E

6.A

7.C

8.B

9.B

10.A

T4.

1.If a = 12, then a4=

A. 144B. 72C. 36D. 24E. 16

2.If n is even, which of the following cannot be odd?

I n + 3II 3nIII n - 1

A. I onlyB. II onlyC. III onlyD. I and II onlyE. I, II and III

3.One side of a triangle has length 8 and a second side has length 5. Which of the following could be the area of the triangle?

I 24II 20III 5

A. I onlyB. II onlyC. III onlyD. II and III onlyE. I, II and III

4.A certain animal in the zoo has consumed 39 pounds of food in six days. If it continues to eat at the same rate, in how many more days will its total consumption be 91 pounds?

A. 12B. 11C. 10D. 9E. 8

5.A perfect cube is an integer whose cube root is an integer. For example, 27, 64 and 125 are perfect cubes. If p and q are perfect cubes, which of the following will not necessarily be a perfect cube?

A. 8pB. pqC. pq + 27D. -pE. (p - q)66.What is the length of the line segment in the x-y plane with end points at (-2,-2) and (2,3)?

A. 3B. 31C. 41D. 7E. 9

7.n is an integer chosen at random from the set

{5, 7, 9, 11 }

p is chosen at random from the set

{2, 6, 10, 14, 18}

What is the probability that n + p = 23 ?A. 0.1B. 0.2C. 0.25D. 0.3E. 0.4

8.A dress on sale in a shop is marked at $D. During the discount sale its price is reduced by 15%. Staff are allowed a further 10% reduction on the discounted price. If a staff member buys the dress what will she have to pay in terms of D ?

A. 0.75DB. 0.76DC. 0.765DD. 0.775DE. 0.805D

9.All the dots in the array are 2 units apart vertically and horizontally. What is the length of the longest line segment that can be drawn joining any two points in the array without passing through any other point ?

A. 2B. 22C. 3D. 10E. 20

10.If the radius of the circle with centre O is 7 and the measure of angle AOB is 100, what is the best approximation to the length of arc AB ?

A. 9B. 10C. 11D. 12E. 13

1.A

2.B

3.D

4.E

5.C

6.C

7.A

8.C

9.E

10.D

T5. Sheila works 8 hours per day on Monday, Wednesday and Friday, and 6 hours per day on Tuesday and Thursday. She does not work on Saturday and Sunday. She earns $324 per week. How much does she earn in dollars per hour?

A. 11B. 10C. 9D. 8E. 7

2.ABCD is a parallelogram. BD = 2. The angles of triangle BCD are all equal. What is the perimeter of the parallelogram?

A. 12B. 93C. 9D. 8E. 33

3.If the product of 6 integers is negative, at most how many of the integers can be negative?

A. 2B. 3C. 4D. 5E. 6

4.If a positive integer n, divided by 5 has a remainder 2, which of the following must be true?

I n is oddII n + 1 cannot be a prime numberIII (n + 2) divided by 7 has remainder 2

A. noneB. I onlyC. I and II onlyD. II and III onlyE. I, II and III

5.A solid cube of side 6 is first painted pink and then cut into smaller cubes of side 2. How many of the smaller cubes have paint on exactly 2 sides?

A. 30B. 24C. 12D. 8E. 6

6.Linelcontains the points (3,1) and (4,4).If linemis a different line, parallel to linelin the same coordinate plane, which of the following could be the equation of linem?

A. y = 3x - 8B. y = 1/3x - 3C. y = -3x - 8D. y = 3x + 1E. y = -8x + 3

7.In the figure above the square has two sides which are tangent to the circle. If the area of the circle is 4a, what is the area of the square?

A. 2aB. 4aC. 4aD. 16aE. 64a

8.A triangle has a perimeter 13. The two shorter sides have integer lengths equal to x and x + 1. Which of the following could be the length of the other side?

A. 2B. 4C. 6D. 8E. 10

9.A machine puts c caps on bottles in m minutes. How many hours will it take to put caps on b bottles?

A. 60bm/cB. bm/60cC. bc/60mD. 60b/cmE. b/60cm

10.Paint needs to be thinned to a ratio of 2 parts paint to 1.5 parts water. The painter has by mistake added water so that he has 6 litres of paint which is half water and half paint. What must he add to make the proportions of the mixture correct?

A. 1 litre paintB. 1 litre waterC. litre water and one litre paintD. litre paint and one litre waterE. litre paint

1.C

2.D

3.D

4.A

5.C

6.D

7.D

8.C

9.B

10.A

T6

1.Which of the following can be used to illustrate that not all prime numbers are odd?

A. 1B. 2C. 3D. 4E. 5

2.What is the greatest of 3 consecutive integers whose sum is 24 ?

A. 6B. 7C. 8D. 9E. 10

3.Considering the positions on the number line above, which of the following could be a value for x?

A. 5/3B. 3/5C. -2/5D. -5/2E. none

4.A piece of ribbon 4 yards long is used to make bows requiring 15 inches of ribbon for each. What is the maximum number of bows that can be made?

A. 8B. 9C. 10D. 11E. 12

5.How many numbers between 200 and 400 meetone or bothof the conditions given in the two statements below?Statement 1: The number begins with 3Statement 2: The number ends with 3

A. 20B. 60C. 100D. 110E. 120

6.If f(3) = 15 and f(5) = 45, which of the following could be f(x)?

A. 4x + 3B. 2x 2xC. 2x - xD. 2x - 5E. 5x

7.PQRS is a parallelogram and ST = TR. What is the ratio of the area of triangle QST to the area of the parallelogram?

A. 1 : 2B. 1 : 3C. 1 : 4D. 1 : 5E. it cannot be determined

8.A picture is copied onto a sheet of paper 8.5 inches by 10 inches. A 1.5 inch margin is left all around. What area in square inches does the picture cover?

A. 76B. 65C. 59.5D. 49E. 38.5

9.The table shows the results of a poll which asked drivers how many accidents they had had over the previous 5 years. What is the median number of accidents per driver?

A. 0.5B. 1C. 1.5D. 2E. 4

10.If V = 12R / (r + R) , then R =

A. Vr / (12 - V)B. Vr + V /12C. Vr - 12D. V / r - 12E. V (r + 1) /12

1.B

2.D

3.C

4.B

5.D

6.C

7.C

8.E

9.C

10.A

T7

1.The number 0.127 is how much greater than 1/8 ?

A. B. 2/10C. 1/50D. 1/500E. 2/500

2.Which of the following could not be the lengths of the sides of a right angled triangle?

A. 3, 4, 5B. 5, 12, 13C. 8, 15, 17D. 12, 15, 18E. 9, 12, 15

3.Two equal circles are cut out of a rectangle of card of dimensions 16 by 8. The circles have the maximum diameter possible. What is the approximate area of the paper remaining after the circles have been cut out?

A. 104B. 78C. 54D. 27E. 13

4.If a and b are both positive, which of the following is a simplification of the expression above?

A. a + b + 1B. a + bC. a - bD. abE. it cannot be simplified further

5.x = y - (50/y), where x and y are both > 0If the value of y is doubled in the equation above, the value of x will

A. decreaseB. stay the sameC. increase four foldD. doubleE. increase to more than double

6.Which of the following could be a solution of the equation x = 4x - 3

A. -1B. -0.6C. 0D. 0.6E. 1.5

7.The number of degrees that the hour hand of a clock moves through between noon and 2.30 in the afternoon of the same day is

A. 720B. 180C. 75D. 65E. 60

8.Jeff takes 20 minutes to jog around the race course one time, and 25 minutes to jog around a second time. What is his average speed in miles per hour for the whole jog if the course is 3 miles long?

A. 6B. 8C. 10D. 12E. 14

9.A and B are equidistant from the line l. How many circles can be drawn with their centres on line l and that pass through both A and B?

A. 1B. 2C. 3D. 4E. >10

10.A wheel has a diameter of x inches and a second wheel has a diameter of y inches. The first wheel covers a distance of d feet in 100 revolutions. How many revolutions does the second wheel make in covering d feet?

A. 100xyB. 100y - xC. 100x - yD. 100y / xE. 100x / y

1.D

2.D

3.D

4.C

5.E

6.D

7.C

8.B

9.E

10.E

T8

1.3x + y = 19 , and x + 3y = 1.Find the value of 2x + 2y

A. 20B. 18C. 11D. 10E. 5

2.The price of a cycle is reduced by 25 per cent. The new price is reduced by a further 20 per cent. The two reductions together are equal to a single reduction of

A. 45%B. 40%C. 35%D. 32.5%E. 30%

3.x and y are integersx + y < 11 , and x > 6What is the smallest possible value of x - y ?

A. 1B. 2C. 4D. -2E. -4

4.If x5y4z2