SSC Government Jobs Exams Numerical Ability Time and Work

A can complete a piece of work in 12 days. B is 60% more efficient than A. The number of days, that B will take to complete the same work, is

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SSC Other Question

Two places A and B are 100 km apart on a highway. One car starts from A and another from B at the same time. If the cars travel in the same direction at a constant speed, they meet in 5 hours. If the cars travel towards each other, they meet in 1 hour. What is the speed of the car running faster ? Two pipes can fill an empty tank separately in 24 minutes and 40 minutes respectively and a third pipe can empty 30 gallons of water per minute. If all the three pipes are open, empty tank becomes full in one hour. The capacity of the tank (in gallons) is