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সম্পর্কিত প্রশ্ন সমূহ
If the side of a square is increased by 10%, by what percent will the area be increased?
A.
16%
B.
21%
C.
32%
D.
100%
If the radius of a right cylinder is tripled and the height is reduced by 40%, then what would the percentage change in volume?
A.
320%
B.
440%
C.
460%
D.
540%
What is the angle between the hour and minute hands of a clock at 14:50?
A.
135°
B.
140°
C.
145°
D.
150°
The average of a non-zero number and its square is 5 times the number. The number is-
A.
9
B.
17
C.
29
D.
none of these
How many terms of the arithmetic progression 2,7,12,... should be taken so that their sum equals 354?
A.
10
B.
11
C.
12
D.
13
In a simultaneous throw of a pair of dice, what is the probability of getting a total more than 8?
A.
B.
C.
D.
Silver is 17 times as heavy as water and copper is 7 times as heavy as water. In what ratio should these be mixed to get alloy 13 times as heavy as water?
A.
1 : 1
B.
2 : 3
C.
1 : 2
D.
3 : 2
The average of six numbers is 30. If the average of first four is 25 and that of last three is 35, the fourth number is:
A.
30
B.
28
C.
25
D.
20
A sum of TK. 600 amounts to TK. 720 in 4 years at simple interest. What will it amount to if the rate of interest is increased by 2%?
A.
750
B.
768
C.
800
D.
550