RRB Group D 3-Oct-2018 Shift 3 Solved Paper

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Question : 38 of 100

Marks: +1, -0

Ram swims in a

104{\m }

long pool. He covers

208 {\m}

in one minute by swimming from one end to the other and back along the same straight path. Find his average speed.

$2 {\ms}^{-1}$
$3.0 {\ms}^{-1}$
$2.5{\ms}^{-1}$
$3.47 {\ms}^{-1}$

Solution:

Average speed

={\text " Total distance covered"}/{\text "Total time taken "}

=208/60=3.47\m\/\sec

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