জব প্রিপারেশন

15501 Math

A toy store regularly sells all stock at a discount of 20 percent to 40 percent. If an additional 25 percent were deducted from the discount price during a special sale , what would be the lowest possible price of a toy costing TK. 16 before any discount ?

A)TK. 5.60

B)TK. 7.20

C)TK. 8.80

D)TK. 9.60

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15502 Math

Which of the following numbers is greater than three-fourths of the numbers but less than one-fourth of the numbers in list above ?

A)56

B)68

C)69

D)71

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15503 Math

The organizers of a fair projected a 25 percent increase in attendance this over that of last year but attendance this year actually decreased by 20 percent. What percent of the projected attendance was the actual attendance ?

A)45%

B)56%

C)64%

D)75%

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15504 Math

The value -3-(-10) is how much greater than the value of -10-(-3) ?

A)0

B)6

C)7

D)14

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15505 Math

A rectangular box ix 10 inches wide, 10 inches long and 5 inches high . What is the greatest possible (straight line) distance , in inches, between any two points on the box ?

A)15

B)20

C)25

D)10

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15506 Math

An empty swimming pool with a capacity of 5,760 gallons is filled at a rate of 12 gallons per minute. How many does it take to fill the pool to capacity ?

A)8

B)20

C)96

D)480

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15507 Math

A rope of 40 feet long is cut into two pieces. If one piece is 18 feet longer than the other , what is the length , in feet, of the shorter piece ?

A)9

B)11

C)18

D)22

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15508 Math

The cost of picture frame M is TK. 10.00 less than 3 times the cost of picture frame N. If the cost of frame M is TK. 50.00 , what is the cost of frame N?

A)TK. 13.33

B)TK. 16.66

C)TK. 20.00

D)TK. 26.66

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15509 Math

If the length and width of a rectangular garden plot were each increased by 20 percent, what would be the percent increase in the area of the plot ?

A)20%

B)25%

C)35%

D)40%

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15510 Math

which of the sets of numbers can be used as the lengths of the sides of a triangle?

A)I only

B)III only

C)I and III only

D)II and III only

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15511 Math

Express ( 20 * .052) in terms of percentage.

A)0.005

B)0.05

C)0.5

D)5

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15512 Math

A barge, when empty, travels twice as fast as when it is full. If it travels 20 miles north with a cargo , spends 30 minutes for unloading, and returns to its original port empty . completing the entire trip in 8 hours, what is the speed of the barge when it is empty?

A)8 mph

B)10 mph

C)12 mph

D)15 mph

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15513 Math

The price of a shirt is increased by 20% . How many shirts can be purchased for the amount of money that was used to buy 300 shirts before?

A)220

B)240

C)250

D)280

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15514 Math

A solution that contains 20% sugar by weight is made sweeter by doubling the amount of sugar.The percent of sugar, by weight, in the new solution is --

A)50%

B)40%

C)33.33%

D)30%

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15515 Math

If the ratio of boys and girls in a school is 5: 3 . which of the following could not be the number of students in the school?

A)512

B)416

C)224

D)178

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15516 Math

A Fast food shop sells pizza in 3 sizes: large, super, and jumbo. One day the shop sold 240 pizzas, and the ratio of sales of large to super to jumbo was 8 : 17 : 15. How many jumbo pizzas were sold that day?

A)48

B)90

C)102

D)108

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15517 Math

On Saturday , 20 of the students in a class took a test and their average score was 80. On Tuesday, the other 5 students took the test, and their average score was 90 . what was the average for the entire class?

A)82

B)84

C)85

D)88

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15518 Math

A container full of water weighs 20 kg . If one -fourth of the container is full of water. it weighs 8 kg . What is the weight of the empty container?

A)2 kg

B)3 kg

C)4 kg

D)8 kg

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15519 Math

A ferry can carry 24 buses or 36 cars at a time. If there are 9 cars on the ferry. how many buses can be loaded into it?

A)18

B)16

C)15

D)14

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15520 Math

Which of the following is the next number in the series : 3 , 6 , 9 , 18 , 27 , 54 , 81,.....?

A)135

B)151

C)162

D)243

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15521 Math

A 180 liter mixture of milk and water contains 20% water. How much milk, in liters, must be added to the mixture so that the new mixture will contain water and milk in the ratio of 1 : 7?

A)100 liters

B)108 liters

C)144 liters

D)252 liters

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15522 Math

Jenny's average on 4 exams is 80. Assuming she cannot earn more than 100 on any exam. What is the least she can earn on her 5th exam and still have a chance for an average of 84 after seven exams?

A)68

B)75

C)82

D)84

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15523 Math

Samad was planning on depositing a certain amount of money each month into a bank. He then decided not to make any contributions during May and June. To make the same annual contribution that he had originally planned, by what percent should he increase his monthly deposits?

A)16.66%

B)20%

C)25%

D)33%

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15524 Math

A salesman usaally makes 45% profit on every TV he sells. During a sale, he reduced his margin of profit to 40% and his sales increased by 10% . what is the ratio of his new profit to his usual profit?

A)9:08

B)9:10

C)11:10

D)44:45:00

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15525 Math

Since 1999 , Roby has gained 2 kilograms of weight every year, In 2009 he was 25% heavier than in 1999 . How much did Roby weigh in 2005?

A)72 kg

B)80 kg

C)92 kg

D)100 kg

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15526 Math

The length of a rectangle is 6 cm more than the side of a square, and the width of the rectangle is 6 cm less than the side of the square. If the area of the square is 86 cm2. what is the area of the rectangle?

A)36 cm2

B)40 cm2

C)50 cm2

D)64 cm2

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15527 Math

If x is negative , all BUT which of the following must also be negative?

A)x3

B)1/x3

C)1/x

D)1/x2

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15528 Math

A drug store usually sells a certain medicine at 40% profit . During a sale, the medicine was sold for 10% less than the usual price. What percent profit the store made on eachof this medicine during the sale?

A)4%

B)20%

C)30%

D)26%

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15529 Math

If (x2 -y2) =48 and (x -y) =4 , what is the average of x and y?

A)12

B)10

C)8

D)6

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15530 Math

The average score of students on a certain exam was 85.50. On the same exam Raju scored 90. What was Raju's percent deviation from the average score?

A)4.50%

B)5%

C)5.40%

D)6%

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15531 Math

One baker can bake either 2 large cakes or 35 small cakes per hour. How many bakers are needed to bake 20 large cakes and 700 small cakes in 3 hours?

A)12

B)15

C)8

D)10

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15532 Math

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

A)n+3

B)3n+1

C)n2-1

D)2(n+3)

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15533 Math

The product of two numbers x and y is twice the sum of the numbers. What is the sum of the reciprocals of x and y?

A)8-Jan

B)4-Jan

C)2-Jan

D)2

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15534 Math

Two people start jogging at the same point and time but in opposite directions. If the rate of one jogger is 2 mph faster than the other and after 3 hours they are 30 miles apart. What is the rate of the faster jogger?

A)3

B)4

C)5

D)6

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15535 Math

A worker is hired for 7 days. Each day, he is paid 10 Taka more than what he is paid for the previous day of work. The total amount he was paid in the first 4 days of work equaled the total amount he was paid in the last 3 days. What was his starting pay?

A)90

B)138

C)153

D)160

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15536 Math

The lengths of two sides of a triangle are 7 and 11. If the length of the third side is an integer, What is the least possible perimeter of the triangle?

A)18

B)20

C)22

D)23

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15537 Math

A company generated revenue of Tk 125,000 in 2012 which was 12.5% o its gross revenue. In 2013, the gross revenue increased by Tk. 250,000. What is the percentage increase in the revenue in 2013?

A)12.50%

B)20%

C)25%

D)50%

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15538 Math

Arif in now 5 times as old as Babu, but 7 years from now he will be 3 times as old as Babu. How old is Arif now?

A)7

B)8

C)9

D)11

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15539 Math

If-2

A)1

B)-14

C)-7

D)1

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15540 Math

A car averages 25 miles per gallon of gasoline when driven in the city and 40 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car averages when it is driven 10 miles in the city and then 50 miles on the highway?

A)64

B)36

C)12

D)29

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15541 Math

Annie invested a certain sum of money in a bank that paid simple interest. The amount grew to Tk 240 at the end of 2 years. She waited for another 3 years and got a final amount of Tk 300. What was the principal amount that she invested at the beginning?

A)200

B)150

C)210

D)175

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15542 Math

Moyna has n chcoltes, where n is an integer such that 20

A)

B)1

C)2

D)3

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15543 Math

The number 3 divides X with a result of Y and a remainder of 2. The number 3 divides Y with a result of 2 and a remainder of 1. What is the value of X?

A)13

B)17

C)21

D)23

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15544 Math

If (x+4)2=9 and (y+3)2=25, then the minimum value of y/x is----

A)-1

B)-2

C)-8

D)-0.285714286

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15545 Math

Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?

A)600

B)800

C)300

D)250

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15546 Math

If c and d are two integers and @ is defined in p an q as @ (p, q)=(p+1)(q+2), and @ (c, d) equals the product of 2 and 5, then what should be the value of c+d?

A)11

B)

C)5

D)6

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15547 Math

The probability of rolling any number of an wighted 6-sided die, with faces numbered 1 through 6, is directly proportional to the number rolled. What is the probability of getting 5, if the die is rolled only once?

A)6-Jan

B)6-May

C)16-May

D)21-May

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15548 Math

In dividing a number by 585, a student employed the method of short division. He divided the number successively by 5,9 and 13 (factors of 585) and got the remainders 4,8,12 respectively. If he had divided the number by 585, what would have been the remainder?

A)24

B)144

C)292

D)584

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15549 Math

Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is ----

A)36

B)45

C)48

D)49

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15550 Math

In the formula e = hf . if e is doubled and f is halved , what happens to the value of h?

A)h remains tehe same

B)h is doubled

C)h is divided by 4

D)h is multiplied by 4

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