জব প্রিপারেশন

15551 Math

what is the maximum number of 3 *3 squares that can be formed from the squares in the 6* 6 checker board to the right?

A)4

B)6

C)12

D)16

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15552 Math

A train went 300 miles from City X to city Y at an average rate of 80 mph. At what speed did it travel on teh way back if its average speed for the whole trip was 100 mph?

A)120 mph

B)125 mph

C)133 1/3 mph

D)137 1/2 mph

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15553 Math

which of the following figures has the smallest perimeter of circumference?

A)a circle with a diameter of 2 feet

B)a square with a diagonal of 2 feet

C)a rectangle with sides of 6 inches and 4 feet

D)a pentagon with each side equal to 16 inches

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15554 Math

If A + B + C =10 , A +B =7 and A- B = 5 , what is the value of c?

A)1

B)3

C)6

D)7

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15555 Math

In a class of 200 students , 40 percent are girls . 25 percent of the boys and 10 percent of the girls signed up for a tour to Cox's bazar . What percent of the class signed up for the tour?

A)19%

B)23%

C)25%

D)27%

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15556 Math

A particular carmaker sells four models of cars , and each model comes with 5 options. How many different types of cars does the carmaker sell?

A)15

B)16

C)17

D)18

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15557 Math

Ahmad has containers of two different sizes. The total capacity of 16 containers of one size is x gallons,and the total capacity of 8 containers of the other size is also x gallons , and x> 0. In terms of x , what is the capacity, in gallons, of each of the larger containers?

A)4x

B)2x

C)x/2

D)x/8

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15558 Math

If n is any negative number, which of the following must be positive?

A)n/2

B)2n

C)n +2

D)n -2

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15559 Math

Successive discounts of 20% and 12% are equivalent to a single discount of:

A)16.00%

B)29.60%

C)31.40%

D)32.00%

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15560 Math

Two equal glasses are respectively 1/3 and 1/4 full of milk, They are then filled up with water and the coutents mixed in a tumbler .What is the ratio of milk and water in the tumbler?

A)7 ; 14

B)7 ; 17

C)7:15

D)7:13

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15561 Math

If a square mirror has a 20-inch diagonal, what is the approxirnate perimeter of the mirror, in inhes?

A)47

B)51

C)57

D)60

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15562 Math

Of 30 applicans for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years' experience and did not have a degree. How many of the applicants had at least 4 years experience and a degree?

A)5

B)7

C)9

D)13

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15563 Math

What is the difference between the sixth and the fifth terms of the sequence 2,4,7---- whose nth term is n+2n-1?

A)3

B)6

C)16

D)17

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15564 Math

What is the least number by which 2450 must be multiplied in order to get a perfect square?

A)2

B)3

C)4

D)8

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15565 Math

A piece of work can be done by 70 labors in 30 days. How many labours should work daily to complete the work in 12 days?

A)142

B)150

C)175

D)182

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15566 Math

If x:y = 5:3 then (8x-5y):(8x+5y) = ?

A)3:12

B)8:13

C)3:11

D)5:11

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15567 Math

A toy was bought for Tk 75 and sold at a gain of 8%. What was its selling price in Tk ?

A)78

B)81

C)80

D)84

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15568 Math

If a man's salary is 20% more than that of his son, how many percent is the son's salary if compared to the salary of his father ?

A)75

B)80

C)83

D)85

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15569 Math

A woman is 30 times older than her son. 18 years later she will be thrice as old as her son. What is the woman's present age in years ?

A)30

B)35

C)36

D)40

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15570 Math

If x men can do a work in 8 days and x+4 men can do it in 6 days, what is the value of x ?

A)4

B)6

C)8

D)12

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15571 Math

If product of two sequential positive odd numbers is 255, what are those numbers ?

A)11,13

B)13,15

C)13,17

D)15,17

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15572 Math

In a garden, there are 10 rows and 12 columns of mango trees. The distance between two trees is 2 meters and a distance of one meter is left from all sides of the boundary of the garden. What is the length of the garden ?

A)20 m

B)22 m

C)24 m

D)26 m

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15573 Math

The rent of a guest house was Tk 50 per day for first three days Tk 100 per day for next 5 days and Tk 300 per day for other days. The registration fee in the beginning is Tk 50. If one has to pay Tk 1300, for how many days he availed of this facility ?

A)10

B)12

C)15

D)8

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15574 Math

A motorist travels to a place 150 m away at an average speed for 50 km and returns at 30 km per hour. What is his average speed for the whole journey in km per hour ?

A)35

B)37

C)37.5

D)40

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15575 Math

The average of Selim's marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he get in Science ?

A)72

B)90

C)93

D)98

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15576 Math

What is the value of x if 4/x +3/5 = 10/x ?

A)50

B)12

C)40

D)10

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15577 Math

If 3a+4b = 10 and 5a+3b=30, what is the average (arithmetic mean) of a and b ?

A)4

B)2.5

C)3.5

D)4.5

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15578 Math

The number of marbles in Amin's collection is 80% of the number in Rahim's collection. If Rahim has 80 more marbles than Amin, how many marbles do they have altogether ?

A)720

B)120

C)135

D)400

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15579 Math

A water reservoir is 1/5 th full and requires 20 liters more to make it 3/5 th full. What is the capacity of the reservoir (in liters) ?

A)40

B)30

C)60

D)50

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15580 Math

A third of Karim's marks in Mathematics exceeds a half of his marks in Social Studies by 30, if Karim got 240 marks in the two subjects together, how many marks did he get in Social Studies ?

A)88

B)98

C)132

D)122

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15581 Math

In dividing a sum of money, the eldest of three brothers got 2/5 th of it and the youngest got Tk 120. What was the total sum in Tk if the amount received by the other brother was 1/3rd of the total ?

A)98

B)100

C)108

D)110

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15582 Math

Of 30 applicants for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years experience and did not have a degree. How many of the applicants had at least 4 years experience and a degree ?

A)14

B)13

C)9

D)7

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15583 Math

Laboni bought a 1-year, Tk 10,000 certificate of deposit that paid interest at an annual rate of 8 percent compounded semiannually. What was the total amount of interest paid on this certificate at maturity ?

A)Tk, 10,464

B)Tk, 864

C)Tk, 816

D)Tk, 800

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15584 Math

At the rate of m meters per s seconds, how many meters does a cyclist travel in x minutes ?

A)m/sx

B)mx/s

C)60m/sx

D)60ms/x

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15585 Math

The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers ?

A)5

B)8

C)10

D)12

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15586 Math

If two non-zero positive integers p and q are such that p=4q and p<8, then q= ?

A)1

B)2

C)3

D)4

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15587 Math

A certain river has a current of 3 miles per hour. A boat takes twice as long to travel upstream between two points as it does to travel downstream between the same two points. What is the speed of the boat in still water ?

A)3 miles per hour

B)6 miles per hour

C)9 miles per hour

D)12 miles per hour

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15588 Math

If the volume of a cube is 27 cubic meters, find the surface area of the cube .

A)9 square meters

B)18 square meters

C)54 square meters

D)3 square meters

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15589 Math

The cost, in taka, of manufacturing x microwaves is 6000+300x Taka. The amount received when selling these x microwaves is 700x taka. What is the least number of microwaves that must be manufactured and sold so that the net profit is Tk 2400 ?

A)15

B)17

C)19

D)21

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15590 Math

The larger of two numbers exceeds twice the smaller number by 9. The sum of twice the larger and 5 times the smaller number is 74. If a is the smaller number, which equation below determines the correct value of a ?

A)5(2a+9)+2a = 74

B)5(2a-9)+2a = 74

C)(4a+9)+5a = 74

D)2 (2a+9)+5a = 74

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15591 Math

Find the probability of selecting a prime number from a set numbers 1 to 15 (both inclusive)

A)15-Jan

B)5-Mar

C)5-Feb

D)15-Jul

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15592 Math

If the annual expenditure of family A on health is x and that of family B is y, then which of the following relations is true ?

A)x=2y

B)x=y

C)5x=4y

D)3x=2y

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15593 Math

If d=2.0453 and d* is the decimal obtained by rounding d to the nearest hundred what is the value of d*-d?

A)-0.0053

B)-0.0003

C)0.0153

D)None of these

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15594 Math

If the numbers 17/24, 1/2, 3/8, 3/4 and 9/16 were ordered greatest to least, the middle number of the resulting sequence would be ---

A)9-Mar

B)4-Mar

C)16-Sep

D)None of these

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15595 Math

A boy was asked to multiply a number by 7/8, instead he divided the number by 7/8 and got the result 15/14 more than he should have got if he had multiplied the number by 7/8. the number is ----

A)4

B)6

C)8

D)None of these

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15596 Math

The average of a group of 10 students is 15 years. When 5 more students joined the group, the average age rose by 1 year. What is the average age of the newly joined students?

A)16

B)17

C)18

D)19

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15597 Math

What is the perimeter, in meters, of a rectangular garden 6 meters wide that has the same area as a rectangular playground 16 meters long and 12 meters wide?

A)60

B)76

C)192

D)None of these

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15598 Math

A corporation that had Tk. 115.19 billion in profits for the year paid out Tk. 230.10 million in employee benefits . Approximately what percent of the profits were the employee benefits?

A)50%

B)0.20%

C)20%

D)5%

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15599 Math

Two banks offer interest rate of 6% and 7% respectively on savings account. Mr. Faruq deposited a total amount of Tk. 4000 in the banks and in one year his interest income was Tk. 250. Find the deposit in the bank with 7% interest rate?

A)3000

B)2000

C)1500

D)1000

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15600 Math

If 3/x=2 and y/4=3, then 3+y/x+4=?

A)30/11

B)9-Oct

C)10-Sep

D)None of these

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