SSC CHSL Model Paper 8

Question : 57 of 100

Marks: +1, -0

A police officer is 110 meter behind a thief. The officer runs 21 meters and thief runs 14 meters in a minute. In how much time will the officer catch the thief?

$100/ 7$ minutes
$155/ 7$ minutes
$110/ 7$ minutes
$160 /7$ minutes

Validate

Solution:

Let the thief cover x more distance before getting caught, so the officer has to cover 110 + x in the same time in which the thief covers x distance,

x/14={110+x}/21

⇒ x = 220
time =

330/21=110/7

minutes

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