Question
Person 'X' can finish a task in 40 days while 'Y' can do it
in 50 days. How long will it take if both work together?Solution
ATQ,
Let the total work be 200 units (LCM of 40 and 50)
Efficiency of 'X' = 200 ÷ 40 = 5 units/day
Efficiency of 'Y' = 200 ÷ 50 = 4 units/day
Required time = 200 ÷ (5 + 4) = 22.22 days
The National Mission for Clean Ganga (NMCG) is aimed at which of the following?
What is the distance between the football goal posts?
Which private startup/company currently holds the highest reported private valuation (2024)?
Consider the following statements in regards to the Economic Survey of India 2022-23:
1.   India became the 2nd largest mobile phone manufac...
Below are two chemical equations:
Zn (s) + CuSO₄ (aq) → ZnSO₄ (aq) + Cu (s)
Pb (s) + CuCl₂ (aq) → PbCl₂ (aq) + Cu (s)
Which of the following is a human factor responsible for soil erosion?
1. Deforestation
2. Run off water
3. Overgrazing
...Which of the following towns was NOT designated as a Town of Export Excellence ( TEE ) in the FTP 2023?
The leaves danced in the wind.
The Registration of Birth and Death Act came into force in the year ___________.
A Governor shall, notwithstanding the expiration of his term, continue to hold office until ______________.