জব প্রিপারেশন

15451 Math

The speeds of three cars are in the ratio 2 : 3 : 4. The ratio of the times taken by these cars to travel the same distance is ----

A)2:03:04

B)4:03:02

C)6:04:03

D)4:03:06

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15452 Math

Complete the following series. 9,11,15,23,39,?

A)64

B)71

C)42

D)56

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15453 Math

In 4 years, Tk. 6000 amounts to Tk. 8000. In what time at the same rate will Tk. 525 amount to Tk. 700?

A)2 years

B)4 years

C)3 years

D)5 years

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15454 Math

A, B and C are three partners. They altogether invested Tk. 14,000 in business. At the end of the year, A got Tk. 337.50, B Tk. 1125 and C Tk. 637.50 as profit. The difference between the investments of B and A was -----

A)Tk. 2200

B)Tk. 3200

C)Tk. 5250

D)Tk. 4200

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15455 Math

Find the average of all the numbers between 6 and 34 which are divisible by 5.

A)20

B)18

C)24

D)30

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15456 Math

0.5*0.5*+0.5+5 is equal to ----

A)0.15

B)0.35

C)0.25

D)0.45

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15457 Math

If 6 persons working 8 hours a day earn a day earn Tk. 8400 per week,then 9 persons working 6 hours a day will earn per week----

A)Tk. 9450

B)Tk. 8400

C)Tk. 16200

D)Tk. 16800

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15458 Math

A boat goes 8 km in one hour along the stream and 2 km in one hour against the stream. The speed in km/hr of the stream is ----

A)2

B)4

C)3

D)5

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15459 Math

The perimeter of a rectangle is 60 metres. If its length is twice its breadth then its area is --

A)160 m2

B)180 m2

C)220 m2

D)200 m2

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15460 Math

A and B stats a business jointly. A invests Tk. 16000 for 8 months and B remains in the business for 4 months. Out of the total profit, B claims 2/7 of the profit. How much money was contributed by B?

A)Tk. 10500

B)Tk. 12800

C)Tk. 11900

D)Tk. 13600

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15461 Math

For how many positive numbers a, it becomes true that a * a * a = a + a + a ?

A)

B)1

C)2

D)3

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15462 Math

If n3 is odd, which of the following statements are true?

A)I only

B)II only

C)III only

D)I and II only

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15463 Math

when a truck travels at 60 miles per hour, it uses 30 percent more gasoline to travel andy distance than it does when it travels at 50 miles per hour. The truck can travel 20 miles on a gallon of gas if it is travelling at 50 miles per hour. The truck has only 10 gallons of gas and is 160 miles from its destination. It takes 20 minutes for the truck to stop for gas . How long will it take the truck to reach its final destination if it is driven at 60 miles per hour?

A)160 minutes

B)180 minutes

C)190 minutes

D)192 minutes

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15464 Math

If the angles of a triangle are in the ratio 1: 2: 2 triangle --

A)is isosceles

B)is obtuse

C)has one angle greater than 80 degree

D)is equilateral

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15465 Math

In how many ways can the letters of the word "LEADER" be arranged?

A)72

B)144

C)360

D)720

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15466 Math

A train 125 m long passes a man , running at 5 km/hr in the same direction in which the train is going in 10 seconds . The speed of the train is:

A)45 km /hr

B)50 km /hr

C)54 km /hr

D)55 km/hr

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15467 Math

Shelly gave three-fifths of the amount of money she had to Jhorna . Shelly now has Tk. 200. How much did she give to Jhorna?

A)Tk. 80

B)Tk. 120

C)Tk. 200

D)Tk. 300

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15468 Math

Shajib takes 3 minutes to inspect a car, and Rajib takes 4 minutes to inspect a car. If they both start inspecting different cars at 8:30 AM, what would be the ratio of the number of cars inspected by Shajib and Rajib by 8 : 54 Am of the same day?

A)1:03

B)1:04

C)3:04

D)4:03

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15469 Math

which of the following cannot be expressed as the sum of two or more consecutive positive integers?

A)17

B)22

C)24

D)26

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15470 Math

If b equals 20% of b, then which one of the following equals 30% of c?

A)0.0006% of a

B)0.006% of a

C)0.06% of a

D)0.6% of a

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15471 Math

A, B, and C enter into a partnership in the ratio 7/2: 4/3: 6/5 .After 4 Months , A increase his share by 50% . If the total profit at the end at one year is Tk. 21,600 , then what is B's share in the profit?

A)Tk.400

B)`Tk. 450

C)`Tk. 420

D)Tk. 4502

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15472 Math

If an article is sold at 200 percent profit, then the ratio of its cost price to selling will be ----

A)1:02

B)2:01

C)3:01

D)1:03

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15473 Math

A number when multiplied by 13 is increased by 180. The number is ----

A)5

B)15

C)12

D)45

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15474 Math

853+? /17=1000

A)2499

B)2482

C)2516

D)16147

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15475 Math

What is the place value of 5 in 3254710?

A)50000

B)10000

C)5

D)54710

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15476 Math

3.5 can be expressed in terms of percentage as ----

A)350%

B)3.50%

C)35%

D)0.35%

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15477 Math

In 10 years, A will be twice as old as B was 10 years ago. If A is now 9 years older than B, the present age of B is ----

A)19 years

B)29 years

C)39 years

D)49 years

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15478 Math

A takes 5 days more than B to do a certain job and 9 days more than C. A and B together can do the job in the same time as C. How many days A would take to do it?

A)5

B)15

C)10

D)20

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15479 Math

A train moves with a speed of 108 kmph. Its speed in metres per second is ----

A)10.8 m/sec

B)30 m/sec

C)18 m/sec

D)38.8 m/sec

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15480 Math

If 60% of A = 3/4 of B, then A : B is -----

A)4:05

B)9:20

C)5:04

D)20:09

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15481 Math

The highest common factor of 0 and 6 is ---

A)

B)3

C)Undefined

D)6

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15482 Math

How many times do the hands of a clock coincide in a day?

A)20

B)22

C)21

D)24

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15483 Math

Rahim gave half of his stamps to karim. Karim gave half of his stamps to Farima. Fatima gave 1/4 of the stamps given to the to Tonmoy and kept the remaining 12. How many stamps did Rahim start with?

A)48

B)64

C)96

D)192

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15484 Math

What is the smallest number exactly divisible by each of 12, 15, 20 and 27 ?

A)360

B)480

C)520

D)540

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15485 Math

What is the square root of 0.00000081 ?

A)0.09

B)0.09

C)0.0009

D)0.0027

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15486 Math

What is the ninth term of the sequence 0, 3, 8, 15, 24, 35, ...................... ?

A)52

B)63

C)71

D)80

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15487 Math

What is the wrong number in the following series : 1, 23, 144, 64, 49 ?

A)1

B)23

C)144

D)64

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15488 Math

The sum of Rahim's age and his son's age is 55 years. 5 years ago Rahim's son was 29 years younger than Rahim. What is the son's present age ?

A)5

B)8

C)13

D)15

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15489 Math

What is the value of (m+n)^2 - (m-n)^2 ?

A)m^2

B)n^2

C)m^2 - n^2

D)2mn

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15490 Math

50 minutes ago it was 45 minutes past 4 o'clock. How many minutes is it until six o'clock ?

A)15

B)20

C)25

D)30

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15491 Math

The sum of two numbers is 146 and difference between them is 18. What are the numbers ?

A)74,62

B)82,64

C)84,60

D)80,62

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15492 Math

On sports day, if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made a stand in a column, how many columns could be formed ?

A)40

B)20

C)22

D)30

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15493 Math

The number of students in each section of a school is 24. After admitting new students, three new sections were started. Now the total number of sections is 16 and there are 21 students in each section. How many new students were admitted ?

A)24

B)14

C)48

D)44

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15494 Math

1/4 of Ahsan's money is equal to 1/6 of Babu's money. If both together have Tk. 600, what is the difference between their amounts ?

A)50

B)120

C)240

D)360

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15495 Math

The average of eight numbers is 14 and the average of six of these numbers is 16. What is the average of the remaining two numbers ?

A)4

B)8

C)16

D)6

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15496 Math

The average age of 30 students is 10 years and that of another group of 5 of them is 14 years. What is the average age of the remaining students ?

A)8 years

B)10 years

C)12 years

D)14 years

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15497 Math

If the two sides of a triangle are 5 and 6, the third side cannot be .............

A)7

B)3

C)12

D)2

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15498 Math

The population of a country doubled every 10 years from 1980 to 2010. What was the percent increase in population during the period ?

A)100

B)200

C)300

D)450

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15499 Math

How much interest will Tk 2000 earn at an annual rate of 10% in one year if interest is compounded every 6 months ?

A)Tk 200

B)Tk 205

C)Tk 220

D)Tk 225

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15500 Math

A company employs 15 persons working 44 hours a week. If 4 persons are ill, how many hours a week would the rest have to work to make up the work force lost ?

A)40

B)50

C)55

D)60

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