Question
Suppose Y individuals can complete a task in (Y - 28)
days, and (Y + 12) individuals can finish the same task in (Y - 32) days, what is the number of days it would take for (3/4) Y individuals to complete the same task together?Solution
we can say that let efficiency of a man be 'e' units/day ATQ, Y × (Y - 28) × e = (Y + 12) × (Y - 32) × e Y = 48 Hence total work will be = 48 × (48 - 28) × e = 960e units Required days will be then = 960e/(48 × (3/4) × e) = (80/3) or = 26(2/3) days
Which of the following is the largest natural lake in Himachal Pradesh?
Who is the brand ambassador of Bata India?
Reverse Repo is to absorb the liquidity and Repo is to inject the liquidityÂ
What is the correct order of the following few kings?
Which among the following country will hold referendum in May to decide on easing ban on abortion?
In the Economic Survey 2021-22, India registered its highest-ever annual FDI inflow of _____ dated 31 Jan 2022.
What is the name of the River Ganga when it flows into Bangladesh?
In which of the following year does the battle of tarain fought Ghori and Prithviraj Chouhan?
Who is the principal regulatory authority for stock market in India?
The total geographical area of Uttar Pradesh is about .... ..... of the area of India.
Relevant for Exams:
