The ratio of the time taken by a boat to cover a certain distance downstream to the time taken to cover another distance upstream is 3 : 5 3 : 5 3 : 5...

Banking IBPS PO Prelims Medium Simplification MCQ

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The ratio of the time taken by a boat to cover a certain distance downstream to the time taken to cover another distance upstream is $3 : 5$ . If the boat covers $90 \text{ km}$ downstream in $t$ hours and $72 \text{ km}$ upstream in $(t+1)$ hours, find the downstream speed of the boat in km/hr.

Options

$20$

$36$

$24$

$30$

$18$

boat and streamratiospeedtimedistance

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The ratio of the time taken by a boat to cover a certain distance downstream to the time taken to cover another distance upstream is 3 : 5 3 : 5 3 : 5...

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