Time and Work - Single MCQs (Page 8)

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Q71. A steamer goes downstream from one port to another in 4 hours, it covers the sam...Q72. A boat is rowed downstream at 15.5km/hr and upstream at 8.5 km/hr. The speed of ...Q73. A man can row downstream at 18 kmph and upstream at 10 kmph. Find the speed of t...Q74. The time taken by a man to row his boat upstream is twice the time taken by him ...Q75. . A man can row a boat at 20 kmph in still water. If the speed of the stream is ...Q76. The speed of a boat in upstream is 60 kmph and the speed of the boat downstream ...Q77. The speed of a boat in still water is 60kmph and the speed of the current is 20k...Q78. The current of a stream at 1 kmph. A motor boat goes 35 km upstream and back to ...Q79. man whose speed is 4.5 kmph in still water rows to a certain upstream point and ...Q80. The current of a stream runs at the rate of 4 kmph. A boat goes 6 km and back to...