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
Q81
A completes a work in 24 days and B in 22 days. In how many days will they finish together?
11.5
24
22
23
Explanation
Combined rate = 1/24+1/22; Time = 11.5 days.
Q82
A completes a work in 15 days and B in 6 days. In how many days will they finish together?
10.5
4.3
6
15
Explanation
Combined rate = 1/15+1/6; Time = 4.3 days.
Q83
A completes a work in 7 days and B in 17 days. In how many days will they finish together?
17
5
12
7
Explanation
Combined rate = 1/7+1/17; Time = 5 days.
Q84
A completes a work in 16 days and B in 20 days. In how many days will they finish together?
8.9
18
16
20
Explanation
Combined rate = 1/16+1/20; Time = 8.9 days.
Q85
A completes a work in 14 days and B in 14 days. In how many days will they finish together?
146
7
14
117
Explanation
Combined rate = 1/14+1/14; Time = 7 days.
Q86
A completes a work in 12 days and B in 9 days. In how many days will they finish together?
12
9
10.5
5.1
Explanation
Combined rate = 1/12+1/9; Time = 5.1 days.
Q87
A completes a work in 20 days and B in 8 days. In how many days will they finish together?
5.7
8
14
20
Explanation
Combined rate = 1/20+1/8; Time = 5.7 days.
Q88
A completes a work in 24 days and B in 6 days. In how many days will they finish together?
24
4.8
6
15
Explanation
Combined rate = 1/24+1/6; Time = 4.8 days.
Q89
A completes a work in 18 days and B in 22 days. In how many days will they finish together?
18
20
22
9.9
Explanation
Combined rate = 1/18+1/22; Time = 9.9 days.
Q90
A completes a work in 7 days and B in 13 days. In how many days will they finish together?
4.6
7
13
10
Explanation
Combined rate = 1/7+1/13; Time = 4.6 days.