2014 · Q102
There are 28 steps in a temple. In the time A, initially at the 28th step, comes down two steps, B, initially at 1st step, goes one step up if they start simultaneously and keep their speed uniform, then at which step from the bottom will they meet?
general-mental-abilityquantitative-aptitude
- A8th
- B9th
- C10th
- DNot possible to meet
Explanation
A descends 2 steps per unit time from 28 while B ascends 1 from 1; 28 - 2t = 1 + t gives t = 9, meeting at the 10th step from the bottom.