SSC CGL 9 Aug 2015 Shift 1 Paper

Question : 131 of 200

Marks: +1, -0

Walking at the rate of 4 kmph a man covers certain distance in 2 hrs 45 min. Running at a speed of 16.5 kmph the man will cover the same distance in how many minutes ?

50 min.
35 min.
40 min.
45 min.

Validate

Solution:

2 hours 45 minutes
=

(2+{45}/{60})

hours
=

(2+3/4)

hours =

{11}/4

hours
∴ Distance = Speed × Time
= 4 ×

{11}/4

= 11 km
∴ Time taken in covering 11 km at 16.5 kmph
=

{11}/{16.5}

hour
=

({11×10×60}/{165})

minutes
= 40 minutes

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