Let the speed of the stream be ‘x’ km/hr Therefore, speed of the boat in still water = 7x km/hr Upstream speed of the boat = 7x – x = 6x km/hr Downstream speed of the boat = x + 7x = 8x km/hr According to the question, 8x – 6x = 22 => 2x = 22 => x = 11 Therefore, upstream speed of the boat = 6x = 66 km/hr Required time taken = 594/66 = 9 hours
In each question below, a sentence is given with a part of it printed in bold type. That part may contain a grammatical error. Each sentence is followe...
In the questions, a part of the sentence is highlighted. Below are given alternatives to the highlighted part which may improve the sentence. Choose ...
All banks disbursing central government pension have been advised that in case the spouse opts for the existing joint bank account for credit of famil...
I’ve realised it’s more of a mental challenge (then) a physical one.
The government has approved the plan for production (A)/self-reliance in defence manufacturing in India, (B)/ in an endeavour to provide a big boost to ...
This is one of the best book that I have read.
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This marks the second time the pandemic has forced a postponement over the 12th Ministerial Conference.
It will cruise in the atmosphere like an aircraft and it has capable of travelling up to 1,000 km.
After reviewing the proposals, the committee decided that the project will have been started within the next six months.
(i) would have been star...
