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বাংলাদেশ ব্যাংক সহকারী পরিচালক (এডি) প্রশ্ন সমাধান ২০১৬

বাংলাদেশ ব্যাংক ২০১৬
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The percentage increase in the area of a rectangle , if each of its sides is increased by 20%, is :

A0.4

B0.42

C0.44

D0.46

উত্তর : C.

0.44

শেয়ার :

সম্পর্কিত প্রশ্ন সমূহ

১.

The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers ?

DNone of these

২.

Two numbers are such that the ratio between them is 4:7 . If each is increased by 4, the ratio becomes 3:5 . The larger number is :

A36

B48

C56

D64

৩.

A person’s present age is two-fifth of the age of his mother. After 8 years , he will be one-half of the age of his mother . How old is the mother at present ?

A32 years

B36 years

C40 years

D48 years

৪.

If 25% of a number is subtracted from a second number, the second number reduces to its five-sixth .What is the ratio of the first number to the second number ?

ASat Dec 30 1899 01:03:00 GMT+0000 (Coordinated Universal Time)

BSat Dec 30 1899 02:03:00 GMT+0000 (Coordinated Universal Time)

CSat Dec 30 1899 03:02:00 GMT+0000 (Coordinated Universal Time)

DNone of these

৫.

The ages of A and B are in the ratio 3:1 . Fifteen years hence , the ratio will be 2:1 . Their present ages are :

A30 years , 10 years

B45 years , 15 years

C21 years , 7 years

D60 years , 20 years

৬.

Aunik, Kamal and Jamal invested TK. 8000, TK. 4000 and TK. 8000 respectively in a business . Aunik left after six months. If after eight months, there was a gain of TK. 4005, then what will be the share of Kamal ?

A890

B1335

C1602

D1780

৭.

15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take , if 3 women do as much work as 2 men ?

A18

B20

C25

D30

৮.

A is 30% more efficient than B . How much time will they, working together , take to-complete a job which A alone could have done in 23 days ?

A11 days

B13 days

C21 days

DNone of these

৯.

One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in :

A81 min

B108 min

C144 min

D192 min

১০.

A person has to cover a distance of 6 km in 45 minutes. If he covers one-half of the distance in two-thirds of the total time; to cover the remaining distance in the remaining time , his speed (in km/hr ) must be :

C12

D15