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This is lr question but since this group is active I am posting here. Please solve 1-5, I am getting so many variables and can't solve to get the answer.
Adarsh Dwivedi:
Directions: A stream is flowing at 10 km/hr such that the distance travelled upstream is same as the distance travelled downstream. Based on this information, answer as directed –
A wrecked motor boat left out to sail in a still reservoir of a dam at a constant speed of 25 km/hr topples and falls for a thousand metres, carried along the high speed water-fall in time T seconds. If the ratio of the speed of the falling water of the dam to the speed of the stream mentioned is 195 : 2, the value of T is -
6 seconds
3 seconds
1.2 seconds
1.8 seconds
3.6 seconds