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Let the speed of the stream be ‘x’ km/hr Therefore, speed of the boat in still water = 10x km/hr Upstream speed of the boat = 10x – x = 9x km/hr Downstream speed of the boat = x + 10x = 11x km/hr According to the question, 11x – 9x = 20 => 2x = 20 => x = 10 Therefore, upstream speed of the boat = 9x = 90 km/hr Required time taken = 180/90 = 2 hours
40% of an amount is Rs 55. 160% of the same amount will be
Global warming is believed to be due to:
The Union Cabinet is composed of:
Penicillium is a _____________.
The office of Chief Election Commissioner is held by
Two numbers are in ratio of 7 : 10 and if the sum of the numbers is 119. Find the difference of the numbers.
Under the Article 148, the Comptroller and Auditor General of India shall be appointed by:
Study the adjoining picture and answer the following questio...
EVM Stands for __________.
Consider the following statements with reference to the sixth century BCE of ancient India :
1. Women could not participate in the asse...