There are 28 steps in a temple. In the time A, initially at the 28th step, comes down two steps, B, initially at 1 step, goes one step up. If they start simultaneously and keep their speed uniform, then at which step from the bottom will they meet ?

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Q: 101 (CAPF/2014)
There are 28 steps in a temple. In the time A, initially at the 28th step, comes down two steps, B, initially at 1“ step, goes one step up. If they start simultaneously and keep their speed uniform, then at which step from the bottom will they meet ?
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question_subject: 

Science

question_exam: 

CAPF

stats: 

0,8,14,3,8,8,3

keywords: 

{'28th step': [0, 0, 0, 1], 'speed uniform': [0, 0, 0, 2], 'steps': [0, 0, 0, 1], 'temple': [1, 0, 0, 0], 'step': [2, 0, 0, 5], '10th': [1, 0, 0, 3], '8th': [1, 0, 0, 2]}