Question

8. A thief robs a house at 12 midnight, and as soon as he leaves
the house, the house owner realises the robbery in the house.
After 10 min he rings the alert alarm and the security guard of
the house start running after the thief to catch him. If the speed
of the thief is 30 kmph and that of the security guard is 20
kmph, then at what time will the guard catch the thief?
a) 0.30 hours
b) 0.40 hours
c) 0.45 hours
dj Never catch the thief​

Answer 1

SPEED OF SECURITY GUARD :- 20KM/PH

SPEED OF THIEF :- 30 KM/PH

in what time he will catch the thief :- 30km/ph ÷ 20 km/ph

D