Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.
12 * 8 * 42 * 6 * 42 = 61
12 × 8 + 42 ÷ 6 – 42 = 61 12 × 8 + 7 – 42 = 61 96 + 7 – 42 = 43 103 – 42 = 61 61 = 61
If the sum of upstream and downstream speed is 20 km/hr and the speed of the current is 5 km/hr. Then find time taken to cover 45 km in downward?
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(√3364+ √484) – √2916÷ √1296 × √36 ÷ √64 = ?
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Speed of a Motorboat in still water is 75kmph. If the motorboat travels 150 km along the stream in 1 hour 40 minutes, then the time taken by it to cover...
Time taken by a boat to cover 180 km in downstream is the same as to cover 140 km in upstream. Find the time taken by the boat to cover 360 km in downst...
A motor boat covers a certain distance downstream in a river in 4 hours. It covers the same distance upstream in 4 hours and 30 minutes. If the speed of...
Speed of current is 25% of speed of boat in still water, if boat travelled 45 km downstream and returned back in total 12 hr. then find speed of boat i...
