Two boats of equal length 4 meters Traveling in downstream with velocity 4m sec and 6m sec If the st...........

Quantitative Aptitude (CDS) Boats and Streams

Two boats of equal length 4 meters Traveling in downstream with velocity 4m/sec and 6m/sec. If the stream velocity is 2m/sec, then find the time to cross faster boat to another boat?

4.2 sec

3 sec

4 sec

5 sec

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Explanation:

Boat speed is 4m/sec and 6 m/sec
Stream velocity=2m/sec
Downstream velocity=4+2 m/sec
And =6+2 m/sec
Relative velocity=8-6=2m/sec
Time=(4+4) /2
=4 sec