Question
X can do a piece of work in 30 days. He worked at it for
5 days and then Y finished it in 20 days. In how many days can X and Y together finish the work?Solution
X’s five day work = 5/30 = 1/6 Remaining work = 1 – 1/6 = 5/6 This work was done by Y in 20 days. Y does 5/6th of the work in 20 days, he will finish the work in 20 × 6/5 = 24 days. X & Y together would take 1/24 + 1/24 = 2/24 = 1/12 i.e. 12 days to complete the work.
- How many members of the Rajya Sabha are nominated by the President of India?
Which of the following countries uses the "Yuan" as its currency?
What does the acronym 'PIN' in PIN Code stand for?
Which of the following films was directed by Shyam Benegal and is considered a landmark in Indian parallel cinema?
Which of the following pairs is correctly matched?
Which insurance company launched India's first Braille insurance policy 'Special Care Gold' for Persons with Disabilities in August 2024?
With reference to the GDP, consider the following statements:
1. Real GDP is the value of goods and services produced in the country in the past ...
Linthoi Chanambam is associated with which of the following sports events?
Dark Patterns Buster Hackathon 2023 has been organized in order to develop a design and prototype innovative app or software-based solutions that can id...
Under which schedule of the Wildlife Protection Act, 1972, is the red panda listed?
Relevant for Exams:
