Find the downstream speed of the boat given the following statements: Statement I: The difference between the downstream speed of the boat and the spe...

Question

Find the downstream speed of the boat given the following statements:

Statement I: The difference between the downstream speed of the boat and the speed of the boat in still water is 12 km/hr.

Statement II: The ratio of the upstream speed of the boat to the speed of the boat in still water is 4:7.

Statement III: The total time taken by the boat to cover 280 km downstream and upstream is 24.5 hours.

Which of the following statements or combinations of statements are sufficient to find the downstream speed of the boat?

Options

A.

Either statement I & III or statement II & III together

B.

None of the given statements can answer the question

C.

Any two of them

D.

Either statement I & II together or statement II & III together

boat and streamdata sufficiencyspeedtimedistance

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