A boy can swim a certain distance downstream in 5 hours and return in 7 hours. If the rate of stream is 4 kmph then what is the speed of boy in still water?
Let the speed of the boy in still water be x kmph. Then, (x + 4) × 5 = (x – 4) × 7 => 5x + 20 = 7x - 28 => 2x = 48 => x = 24 kmph
In February 2020, which of the following places was in-principle approved as a site of a new Major Port?
Which chemical element of Group 18 of the periodic table is produced by the natural radioactive decay of uranium in soils and rocks?
Reliance Industries has raised ______ through 10-year bonds at a coupon of 7.79 per cent.
Which of the following is not in the top 5 sectors for the National Monetisation Pipeline?
Find the average of 7, 14, 21, 28.
United Nations projects that global population will reach 9.7 billion people in _____.
Which of the following is NOT a function of money?
The primary function of which channel protein is to transport water across the cell membrane in response to the osmotic gradient created by active solut...
Which Indian shooter won two Paralympic medals in the single edition of Paralympic on 3 September 2021?
Planning, organizing, directing and controlling are the:
