Question
A conical water tank has a radius of 7 meters and a
height of 24 meters. Water is being pumped into the tank at the rate of 20 cubic meters per minute. How long will it take to fill the tank completely?Solution
Volume of cone = (1/3)πr²h, where r = 7 m and h = 24 m. Volume = (1/3) × (22/7) × 7² × 24 = 1232 m³. Rate of pumping = 20 cubic meters per minute. Time taken = Volume / Rate = 1232 / 20 = 61.6 minutes. Correct answer: a) 61.6 minutes
Which of the following banks continue to be identified by Reserve Bank of India as Domestic-Systemically important Banks?
India's first Videsh Bhavan will be established in which of the following states?
PQ and RS are chords on a circle centred at O. Suppose A is the point of intersection of PQ and RS. Which of the following statements is/are correct?
Which album earned Ricky Kej his third Grammy Award?Â
Indian origin Laxman Narasimhan has assumed the role of CEO and will join the board of directors of which of the following Companies?
'NSE Prime', sometimes mentioned in news, denotes:
The Constitution (Scheduled Tribes) Order (Fourth Amendment) Bill, 2022 was passed in Rajya Sabha in December 2022. It seeks to amend the Constitution (...
Which was the first women's sport to be introduced in the Olympics?
The Ashtadhyayi of Panini is a renowned work on ________.
In a molecule of water, the ratio of the mass of hydrogen to that of oxygen is:
