Question
30 men can complete a work in 12 days. After 9 days, 15
more men joined them. How many days will they now take to complete the remaining work?Solution
Let, the efficiency of a man = y ATQ- (30 x y x 9) + (45 x y x D) = 30 x y x 12 (45 x y x D) = 360y-270y 45Dy=90y D = 90y/45y D=2 days.
Who has become India's number 1 chess player?
Archaeologists have unearthed 3,000-year-old priestly tomb in which country?
The University Grants Commission (UGC) has appointed _________________as chairman, of the executive committee of the National Assessment and Accreditati...
Which entity has Adani International Ports Holdings Pvt. Ltd (AIPH) signed the concession agreement with to operate Container Terminal 2?
Which of the following Gharana is known for being the oldest tabla Gharana ?
What recent (April 2024) announcement did the National Stock Exchange (NSE) make regarding derivatives contracts?
Who was the first female Prime Minister of India?
What is the allocation for agriculture and allied sectors in the Union Budget 2024-2025?
The Union Cabinet recently approved India's participation in the Biodiversity Beyond National Jurisdiction (BBNJ) Agreement. Which ministry will lead th...
Who is known as the originator of the Beej Bachao Andolan (Save the Seed movement) in Uttarakhand?
Relevant for Exams:
