amar running up a staircase finds that when he goes up two steps at a time or three at atime or four at atime there is only one step left over .find the number of stairs?
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Can you make sure you typed the question correctly?
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Answer is 23 steps
when he goes 2 steps at time he covers 12 and 1 step remaining
when he goes 4 steps at time he covers 12 and 1 step remaining
when he goes 3 steps at time he covers 12 and 1 step remaining
How: LCM = 2x3x4 = 2x3x2x2 =12 and add one step
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