Question
A and B together can complete a task in 12 days. A alone
can complete the task in 20 days. In how many days can B alone complete the task?Solution
Let the total work be 60 units (LCM of 12 and 20). A's rate of work = 60 / 20 = 3 units/day. A and B together = 60 / 12 = 5 units/day. B's rate of work = 5 − 3 = 2 units/day. Time taken by B = 60 / 2 = 30 days. Thus, the correct answer is 30 days . Ans. a
Which country has agreed to host a global peace summit on Ukraine at the request of Ukrainian President Volodymyr Zelenskiy?
Which state won the World Habitat Awards 2023 For Jaga Mission?
Indian Navy Participation Women20@g20 at which of the following city in 27 – 28 Feb 23?
Which platform is supporting Coca Cola India's initial association with ONDC for leveraging data-driven insights and market intelligence?
On which date Good Governance Day is celebrated annually?
Which State has become first in India to have its own Internet Service K - Fon?
__________ and Federal Bank will partner with association of microfinance institutions Sa-Dhan and Delhi-based fintech solutions provider NextGen to pro...
Which of the following is a Jhangora crop season?
In which Indian state is Makar Sankranti known as 'Magha Saaji'?
What is India's projected position in the global e-commerce market by 2030?
