Quantitative Aptitude Topics
Undergraduate level — Quantitative Aptitude
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filter_alt Topics
Percentages & Ratios
Time & Work
Profit & Loss
Geometry
Data Interpretation
quiz Questions
Q51
A completes a work in 23 days and B in 16 days. In how many days will they finish together?
16
23
9.4
19.5
Explanation
Combined rate = 1/23+1/16; Time = 9.4 days.
Q52
A completes a work in 6 days and B in 21 days. In how many days will they finish together?
21
13.5
6
4.7
Explanation
Combined rate = 1/6+1/21; Time = 4.7 days.
Q53
A completes a work in 7 days and B in 15 days. In how many days will they finish together?
4.8
11
15
7
Explanation
Combined rate = 1/7+1/15; Time = 4.8 days.
Q54
A completes a work in 24 days and B in 19 days. In how many days will they finish together?
21.5
10.6
19
24
Explanation
Combined rate = 1/24+1/19; Time = 10.6 days.
Q55
A completes a work in 17 days and B in 12 days. In how many days will they finish together?
7
14.5
17
12
Explanation
Combined rate = 1/17+1/12; Time = 7 days.
Q56
A completes a work in 18 days and B in 9 days. In how many days will they finish together?
18
6
9
13.5
Explanation
Combined rate = 1/18+1/9; Time = 6 days.
Q57
A completes a work in 13 days and B in 9 days. In how many days will they finish together?
5.3
11
9
13
Explanation
Combined rate = 1/13+1/9; Time = 5.3 days.
Q58
A completes a work in 14 days and B in 23 days. In how many days will they finish together?
23
18.5
14
8.7
Explanation
Combined rate = 1/14+1/23; Time = 8.7 days.
Q59
A completes a work in 13 days and B in 16 days. In how many days will they finish together?
14.5
7.2
13
16
Explanation
Combined rate = 1/13+1/16; Time = 7.2 days.
Q60
A completes a work in 12 days and B in 14 days. In how many days will they finish together?
14
13
6.5
12
Explanation
Combined rate = 1/12+1/14; Time = 6.5 days.