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How many days are there in x weeks x days?

A8x
B14x
C7
D7×2
উত্তর : A.
8x

শেয়ার :

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সম্পর্কিত প্রশ্ন সমূহ

১.

3 pumps , working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day ?

A
10
B
11
C
12
D
9
২.

Which of the following trains is the fastest ?

A
25m/sec
B
1500m/min
C
90km/hr
D
None of these
৩.

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 ?

A
7
B
17
C
31
D
3
৪.

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

A
3
B
7
C
11
D
2
৫.

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. ?

A
22.5
B
25
C
20.25
D
42.75
৬.

$2-[ 2 – \{ 2 – 2 ( 2 +2 ) \} ] = ?$

A
-4
B
6
C
4
D
None of these
৭.

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

৮.

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 ?

A
37500 sq.m
B
40000 sq.m
C
48000 sq.m
D
18750 sq.m
৯.

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 ?

A
TK.1,06,250
B
TK.1,07,500
C
TK.1,17,500
D
1,05,100
১০.

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 :

A
6 days
B
8 days
C
12 days
D
4 days