engineering recuitment NPCIL Plant Operator Mock Test Quantitative Aptitude Time and Work Work Efficiency
P can do half a piece of work in 15 days and Q can do 1/5th of double of the same work in 8 days then how many days they complete 2/3rd part of the same work together?
1
10 days
2
12 days
3
8 days
4
15 days