There are 23 steps to reach a temple. On descending from the temple Ram takes two steps, at a time, even as Shyam ascends one steps. If they start simultaneously, at which step will they meet each other
A
9th
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B
8th
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C
11th
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D
10th
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Solution
The correct option is A 8th We assume that Ram and Shyam, descends and ascends respectively x times. ∴ Total number of steps =[(x×No. of descending Steps)+x(No. of ascending steps)−1] ⇒23=[(x×2+x×1)−1]=3x−1 ⇒x=23+13=8