Challenger App

No.1 PSC Learning App

1M+ Downloads
Alka can finish a work in 18 days. If Shailja is 20% more efficient than Alka, then in how many days can both of them finish the work together?

A7

B82118\frac{2}{11}

C8

D72117\frac{2}{11}

Answer:

82118\frac{2}{11}

Read Explanation:

82118\frac{2}{11}


Related Questions:

ഒരു വാഹനം യാത്രയുടെ ആദ്യത്തെ 120 കി.മീറ്റർ ദൂരം ശരാശരി 30 കിമീ/മണിക്കൂർ വേഗത്തിലും അടുത്ത 120 കീ മീറ്റർ 20 കിമീ/മണിക്കൂർ വേഗത്തിലുമാണ് സഞ്ചരിച്ചത് . എന്നാൽ മുഴുവൻ യാത്രയിലെയും ശരാശരി വേഗം എത്രയാണ് ?
One tap can fill a water tank in 40 minutes and another tap can make the filled tank empty in 60 minutes. If both the taps are open, in how many hours will the empty tank be filled ?
Two pipes A and B can fill a tank in 15 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank ?
Abhay and Bharat can complete a certain piece of work in 17 and 10 days, respectively, They started to work together, and after 3 days, Bharat left. In how many days will Abhay complete the remaining work?
40 mechanics can repair a bike in 56 days. In how many days 32 mechanics will do the same work?