Question
Peter and Rachel can complete a project together in 20
days. Peter takes four times as long as Rachel to complete the same project alone. Find the time taken by Rachel to complete the project alone.Solution
ATQ, Let Rachel's time to complete the project alone be 'r' days. Therefore, Peter's time is '4r' days. Their combined work rate is (1/r) + (1/4r) = (1/20). 
Rachel can complete the project alone in 25 days.
Sabarimala Temple, a prominent pilgrimage site, is located in which Indian state?
According to the 2011 census, the Indian state that has the dubious distinction of having the worst male – female ratio is
Which of the following land settlement systems adopted by the English provided greater protection to the interests of farmers?
Arrange the following freshwater lakes in Decreasing order area wise:
I) Huron
II) Victoria
III) Tanganyika
IV) Michigan
Ahilyabai, the queen of the Maratha Empire, after which the Ahmednagar in Maharashtra will be named Ahilya nagar, belonged to which dynasty?
By how much did the Index of Industrial Production (IIP) grow in July 2024?
RBI can issue any amount of notes on the basis of reserves maintained in the form of
Which is the currency of China?
Which was India's first community radio station?
.___________ is the capital of Tanzania.
Relevant for Exams:
