Question
In what time would a cistern be filled by three pipes
whose diameter are 2cm, 2*2/3cm, 4cm running together, when the largest pipe alone fill the cistern in 122 minutes the amount of water flowing in  by each pipe being proportional to the square of diameter?Solution
Total Efficiency = 9 + 16 + 36 = 61 Pipe 3rd alone can fill the cistern in 122 min (given) ∴ Capacity of the tank = (36 × 122) = 4392 Time taken by all pipes together = 4392/(61 )= 72 minutes
What is the total investment approved for the chip assembly unit in Jewar, Uttar Pradesh under the ISM?
Recently Nikos Christodoulides was elected as the new President of which of the following country?
On which date will Karnataka officially hand over kumki elephants to Andhra Pradesh?
The Department of Personnel and Training (DoPT) recently notified the Public Examinations (Prevention of Unfair Means) Act, 2024. This Act includes a pr...
Recently RBI has imposed a monetary penalty on which financial institution for not complying with directions issued on ATM deployment targets?
How much relief assistance did India provide to earthquake-hit Vanuatu in December 2024?
What major infrastructure event is India set to host in September 2024?
Who has been elected as the new president of the Fédération Internationale de l'Automobile (FIA)?
Where are the headquarters of the International Energy Agency?Â
The Reserve Bank of India (RBI) recently joined forces with the Bank for International Settlements (BIS) and central banks of four ASEAN countries to co...