engineering recuitment ICAR (IARI) Assistant (Pre + Mains) 2022 Mock Test Quantitative Aptitude Time and Work Pipe and Cistern
Three taps x, y and z are can fill an empty tank in 20 mins, 30 mins and 40 mins, If all taps are opened and tap y and z got closed after 6 mins then total what time take to fill the tank?
1
10 mins
2
11 mins
3
13 mins
4
15 mins