2012 · Q90
In a 100 m race, A beats B by 10 m. In a second race, A starts 10 m behind the starting line. Who will win the second race, assuming both run at the same speeds as in the first race?
general-mental-abilityquantitative-aptitude
- AThere will be a tie
- BB will beat A by 1 m
- CB will beat A by 2 m
- DA will beat B by 1 m
Explanation
A runs 100 m in the time B runs 90 m, so A is 10/9 times as fast; over 110 m vs 100 m, A still finishes marginally ahead - by 1 m.