regulatoryBody NABARD Grade A Prelims Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency
A can complete 60% of the work in x days, B alone can complete 3/8 of the work in 15 days and C alone can complete the same work in 4x days. If A and B together worked for starting 10 days and the remaining work is completed by C alone in 21 days. Then, what is the value of x?
1
15
2
10
3
12
4
20
5
None of these