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CBSE - Aptitude Mathematics
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Practice Question
Aptitude Mathematics
.
Aptitude Mathematics
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?
1. 20
2. 25
3. 30
4. 18
Correct Answer: 3
.
Related Questions
Aptitude Mathematics
1
Find the height of the cylinder whose volume is 511 cubic meters and the area of the base is 36.5 sq.metres
1. 14 m
2. 24 m
3. 7 m
4. 5 m
Correct Answer: 1
2
The H.C.F of the expressions x
2
- 3x
2
- 4 and x
2
- 4x
2
+ x
is
(1) x-1
(2) x+1
(3) x
2
-1
(4) x
2
-3
Correct Answer: 3
3
The square root of 0.9 is nearly
1. 0.3
2. 0.03
3. 0.9
4. 0.009
Correct Answer: 3
4
20 men complete one-third of a piece of work in 20 days. How many more men should be employed to finish the rest of the work in 25 more days?
1. 10
2. 12
3. 15
4. 20
Correct Answer: 2
5
Standard deviation for the following data 52,60,60,64,72,96 is equal to
1.14,12
2.1.32
3.132
4.13.8
Correct Answer: 1
