GMAT Exam Category

A worker reaches his work place 15 minutes late by walking at 4kmph from his house. The next day he increases his speed by 2kmph and reaches in time. Find the distance from his house to his work place
a)2 km b)6 km c)8 km d)3 km

Read Solution (Total 1)

4=D/(T+15/60) --(1)
6=D/T ---(2)
Solving (1) and (2), we get T=1/2, D=3
So the answer is 3Km
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GMAT Other Question

A train travelling at 36 kmph takes 48 seconds to cross a bridge. It then crosses a man cycling at the rate of 9 kmph in the same direction in 20 seconds. Find the length of the bridge
a)150 m b)220 m c)280 m d)330 m
A person leaves his house and travelling at 4 kmph reaches his office 10 minutes late. Had he travelled at 7kmph he would have been 20 mins early. Find the distance from the house to the office?
a)14/3 b)2 c)14/9 d)14/6