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বাংলাদেশ ব্যাংক অফিসার প্রশ্ন সমাধান ২০১৬

বাংলাদেশ ব্যাংক ২০১৬
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A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14, and x. He found the mean to be 12. What should be the number in place of x ?

B17

C31

উত্তর : A.

শেয়ার :

সম্পর্কিত প্রশ্ন সমূহ

১.

Find the smallest number by which 5808 should be multiplied so that the product becomes a perfect square .

C11

২.

The interest on a certain deposit at 4.5% p.a. is TK. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a. ?

A22.5

B25

C20.25

D42.75

৩.

$2-[ 2 – \{ 2 – 2 ( 2 +2 ) \} ] = ?$

A-4

DNone of these

৪.

If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers is :

3:4

3:20

20:3

2:3

৫.

The breadth of a rectangular field is 60% of its length . If the perimeter of the field is 800 m, what is the area of the field ?

A37500 sq.m

B40000 sq.m

C48000 sq.m

D18750 sq.m

৬.

Peter purchased a machine for TK. 80,000 and spent TK. 5,000 on repair and TK. 1,000 on transport and sold it with 25% profit , At what price did he sell the machine ?

ATK.1,06,250

BTK.1,07,500

CTK.1,17,500

D1,05,100

৭.

A takes twice as much time as B or thrice as much time as C to finish a piece of work . Working together , they can finish the work in 2 days . B can do the work alone in :

A6 days

B8 days

C12 days

D4 days

৮.

Which of the following fractions is greater than $\frac{3}{4}$ and less than $\frac{5}{6}$ ?

$\frac{2}{3}$

$\frac{9}{10}$

$\frac{1}{2}$

$\frac{4}{5}$

৯.

2, 5, 9, 19, 37, ?

A75

B76

C78

D73

১০.

Rahim ranks seventh from the top and twenty-sixth from the bottom in class . How many students are there in the class ?

A32

B33

C34

D31