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78751 Math

A person saves Tk. 5000 in his bank account . If the bank gives 10% annual profit , how much will be his balance after 6 years?

A)Tk. 3000

B)Tk. 5000

C)Tk. 7000

D)Tk. 8000

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78752 Math

If 18 is 15 percent of 30 percent of a certain number , what is the number?

A)36

B)40

C)81

D)400

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78753 Math

If a cube has a length of 8 cm , what is its total surface area?

A)64

B)96

C)384

D)256

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78754 Math

A)

B)

C)

D)8

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78755 Math

what is the ratio of 3/4 to the product 4 (3/4)?

A)3-Jan

B)4-Jan

C)9-Apr

D)4-Sep

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78756 Math

If A = { 1,2,3} And B = { 1, 2,5} then A -B .

A){1}

B){5}

C){3}

D){2}

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78757 Math

If set A = {1,2} and C = { 3,4} then (Cartesian product of set A and B ) is

A){1,2,3,4}

B){(1,3), (2,4)}

C){(1,3), (2,4), (1,4),(2,3)}

D)Try your self

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78758 Math

If for a square matrix A , then such a matrix is known as :

A)Idempotent matrix

B)Orthagonal matrix

C)Null matrix

D)Identity matrix

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78759 Math

How many bits string of length 4 are possible such that they contain 2 ones and 2 zeroes ?

A)4

B)2

C)5

D)6

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78760 Math

If A has 4 elements and B has 8 elements then the minimum and maximum number of elements in are respectively __

A)4,8

B)8,12

C)4,12

D)6,12

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78761 Math

In the given AP series find the number of terms 5, 8, 11, 14, 17, 20 , ..... 50.

A)11

B)13

C)15

D)16

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78762 Math

A polygon with 25 sides a can be triangulated into ___

A)23

B)20

C)22

D)21

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78763 Math

what is the Cartesian product of A ={ 1,2} and B = { a,b } ?

A){(1,a),(1,b)(2,a)(b,b)}

B){(1,1),(2,2),(a,a),(b,b)}

C){(1,a),(2,a), (1,b), (2,b)}

D){(1,1),(a,a),(2,a),(1,b)}

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78764 Math

The Ex-nor of this string '01010101' with '11111111' is

A)10101010

B)110100

C)1010101

D)10101001

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78765 Math

If f is a function defined from R is given by f (x) = 3x -5, then (x) is given by :

A)1/(3x-5)

B)(x +5)/3

C)does not exist since it is not a bisection

D)(3x + 5)/3

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78766 Math

If number a is

A)

B)

C)

D)

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78767 Math

#NAME?

A)

B)

C)

D)

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78768 Math

যদি (x-5)(a+x)= হয় তবে a এর মান কত?

A)-5

B)5

C)25

D)-25

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78769 Math

a + b + c =0 হলে এর মান কত?

A)abc

B)3abc

C)6abc

D)9abc

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78770 Math

A picnic attracts 240 persons. There are 20 more men than women and 20 more adults than children . How many men are at this picnic?

A)250

B)75

C)110

D)200

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78771 Math

If three boys can paint a wall in 2 days , what part of the job can be completed by two boys in 1 day ?

A)3-Jan

B)3-Feb

C)4-Mar

D)2-Apr

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78772 Math

which one of the following fractions is closest to

A)

B)

C)

D)

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78773 Math

How many hours will it take a man to travel M miles at miles at the rate of H miles per hour?

A)HM

B)H/M

C)M/H

D)H/2M

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78774 Math

7 in 5 percent of what number ?

A)35

B)140

C)75

D)49

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78775 Math

what is the simplified value of (

A)

B)

C)

D)

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78776 Math

If 3 / (x-1) = 2/(x+1), what is the value of x ?

A)-5

B)-1

C)0

D)1

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78777 Math

One number is 3 more that 2 times of another number . Their sum is 21 . Find the numbers.

A)7,14

B)2,19

C)6,15

D)10, 11

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78778 Math

which of the following has the smallest value?

A)1/0.2

B)0.1/2

C)0.1/1

D)0.2/0.1

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78779 Math

A ball and a bat costs 110 taka. The bat costs 100 taka more than the ball. How much does the ball cost ?

A)5

B)10

C)15

D)100

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78780 Math

In a certain store, the profit is 320% of the cost. If the cost increases 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?

A)30%

B)70%

C)100%

D)250%

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78781 Math

What percentage of numbers from 1 to 70 has 1 or 9 in the unit's digit?

A)10%

B)14%

C)20%

D)21%

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78782 Math

The ratio between the perimeter and the breadth of a rectangle is 5:1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?

A)16 cm

B)18 cm

C)20cm

D)24 cm

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78783 Math

The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighting 65 kg. What might be the weight of the new person?

A)85 kg

B)80 kg

C)75 kg

D)Cannot be determined

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78784 Math

Mr.khan invested an amount of TK. 13,900 divided into two different schemes A and B at a simple interest rate of 14% per annum and 11% per annum respectively. If the total amount of simple interest earned in 2 years be Tk. 3,508, what was the amount invested in Scheme B?

A)TK. 6400

B)TK. 6500

C)TK. 7200

D)TK. 7500

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78785 Math

A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4- digit number 13b7, which is divisible by 11. Then, (a+b)=?

A)10

B)11

C)12

D)15

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78786 Math

How many times are the hands of a clock at right angle in a day?

A)22

B)24

C)44

D)48

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78787 Math

The population of town increased from 1,75,000 to 2,62,500 in a decade. The average percentage increase of the population per year is --

A)4.70%

B)5%

C)6%

D)8.55

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78788 Math

The difference of two number is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number?

A)240

B)270

C)295

D)300

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78789 Math

A and B started a partership business investing some amount in the ratio of 3:5. C joined them after six months with an amount equal to that of B. In what proportion should the profit at the end of the first year be distributed amoung A, B and C?

A)3:05:02

B)3:05:05

C)6:10:05

D)Cannot be determined

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78790 Math

In a business A and C invested amounts in the ratio 2 : 1 whereas A and B invested amounts in the ratio 3 : 2 . If their annual profit be Tk. 157300, then B's share in the profit is

A)Tk. 24200

B)Tk. 24200

C)Tk. 48000

D)Tk. 48400

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78791 Math

The average age of a group of 15 employees is 24 years. If 5 more employees join the group, the average age increases by 2 years. Find the average age of the new employees.

A)35

B)30

C)24

D)32

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78792 Math

A person travels a certain distance at 3 km / hr and reaches 15 min late. If he travels at 4 km / hr, he reaches 15 min earlier . The distance he has to travel is __

A)4.5km

B)6 km

C)7.2 km

D)12 km

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78793 Math

The difference between the radii of bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm2 . Radius of the smaller circle is _

A)7 cm

B)5 cm

C)9 cm

D)3 cm

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78794 Math

A sum fetches a simple interest of Tk. 6000 at the rate of 5% p.a. in 6 years . what would be the compound interest earned at the same rate of interest and the same principal in 2 years?

A)Tk. 2050

B)Tk. 2500

C)Tk. 2125

D)Tk. 2245

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78795 Math

Alam sold an item for Tk. 6,384 and incurred a loss of 30% . At what price should he have sold the item to have gained a profit of 30% ?

A)Tk. 14,656

B)Tk. 11,856

C)Tk. 13,544

D)None of these

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78796 Math

Kiran purchased a scooter for Tk. 52000. He sold it at loss of 10% .With that money be purchased another scooter and sold it at profit of 20% What is his overall loss/ profit?

A)Tk. 2060 profit

B)Tk. 2560 loss

C)Tk. 1340 loss

D)Tk. 4160 profit

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78797 Math

A square is inscribed in a circle of diameter 2a and another square is circumscribing circle. The difference between the areas of outer and inner squares is__

A)

B)

C)

D)

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78798 Math

The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is __

A)30

B)34

C)44

D)24

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78799 Math

A batsman has a certain average of runs for 12 innings. In the 13th inning, he scores 96 runs thereby increasing his average by 5 runs. what is his average after the 13 innings ?

A)36

B)48

C)24

D)31

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78800 Math

A man takes 3 hours 45 minutes to row a boat 22.5 km downstream of a river and 2 hours 30 minutes to cover a distance of 10 km up stream . Find the speed of the river current in km /hr.

A)1 km/hr

B)2 km/ hr

C)3 km /hr

D)4km/ hr

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