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Question

Find the time taken to cover a distance of 120 km at a speed of 10 m/sec.
  1. 3 hrs 20 min.
  2. 8 hrs 10 min.
  3. 5 hrs 40 min.
  4. 7 hrs 10 min.

A
8 hrs 10 min.
B
5 hrs 40 min.
C
7 hrs 10 min.
D
3 hrs 20 min.
Solution
Verified by Toppr

Speed = Distance/Time

Time = Distance/ Speed

Given, Speed =10 m/sec,

Distance =120km =120000 m

Time =12000010
=12000 sec

=120003600hrs

=313hrs =3 hrs 20min.

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