Question
A and B can complete a work in 12 days and 18 days,
respectively. They work together for 4 days, and then A leaves. In how many more days will B complete the remaining work?Solution
Total work = LCM(12, 18) = 36 units. Efficiency of A = 36/12 = 3. Efficiency of B = 36/18 = 2. Work done in 4 days = (3 + 2) × 4 = 20 units. Remaining = 36 - 20 = 16 units. Days for B = 16/2 = 8 days. Correct option: c
World Science Day for Peace and Development is observed every year on?
How much amount of loan was disbursed small entrepreneurs under Prayaas scheme?
During which Olympic Games did Karnam Malleswari become the first Indian woman to win an Olympic medal?
On which date is World Tourism Day celebrated, marking the launch of the 'Paryatan Mitra & Paryatan Didi' initiative by the Ministry of Tourism?
Which Indian business school recently made it to the Financial Times Rankings 2023 for its executive education programs?
Who has been appointed as the CEO of DBS Bank India?
Who has been appointed as the chairperson of the United Nations Internal Justice Council (IJC)?
The Union Cabinet has approved the modified production-linked incentive (PLI) scheme for information technology (IT) hardware to boost local manufacturi...
Prime Minister Narendra Modi inaugurated the Namo Bharat Rapid Rail connecting which two cities?
The currency of Russia is:
