Foundation
Mathematics Foundation
Time Speed Distance
Question

A thief robs a house at 12 midnight, and as soon as he leaves the house, the house owner realises of the robbery in the house. After 10 minutes he rings the alert alarm, and the security guards of the house start running after the thief to catch him. If the speed of the thief is 30 km/hr and that of the security guards is 20 km/hr, what time will the guards catch the thief?

00.30 hrs

00.40 hrs

Cannot be determined

Never catch the thief

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Solution
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The guards can never catch the thief as the speed of the theif is more than of the guards.