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

A3
B7
C11
D2
উত্তর : A.
3

শেয়ার :

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সম্পর্কিত প্রশ্ন সমূহ

১.

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

A

3:4

B

3:20

C

20:3

D

2:3

২.

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
৩.

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
৪.

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
৫.

Which of the following fractions is greater than 34\frac{3}{4}​ and less than 56\frac{5}{6}​ ? 

A

​23\frac{2}{3}​​

B

​910\frac{9}{10}​​

C

​12\frac{1}{2}​​

D

​45\frac{4}{5}​​

৬.

2, 5, 9, 19, 37, ?

A75
B76
C78
D73
৭.

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
৮.

How many days are there in x weeks x days?

A8x
B14x
C7
D7×2
৯.

Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

A2(8/11) hours
B3(9/17)hours
C4(1/2) hours
D11(3/17)hours
১০.

Find the sum of the first 8 even natural numbers.

A30
B22
CNone of these
D32