Quant Question Of The Day: 30
[latexpage]
Arithmetic
Rahul covers a circular track in 15 minutes while Gandhi does it in 10 minutes. Both start running in the same direction but from diametrically opposite position and Rahul is ahead of Gandhi initially. If they run for 3 hrs and 20 min then how many times Gandhi would have crossed Rahul?
1. 5
2. 6
3. 7
4. 8
5. None of these .
Option 3.
Gandhi would cross Rahul for the first time after 15 min. and then he will cross him after every 30 min. Therefore in 3hrs 20min he will cross Rahul 7 times.
c
7 times
Option 3
L.C.M of 15 and 30 is 30
Then 200/30 is 6.67 = 7 approx
3 is the correct option.
Congratulations Everyone!