Two friends Kanti and Sridhar were trying to find the HCF of 50 distinct numbers. If they were finding the HCF of two numbers at a time, how many times this operation should be repeated to find the HCF of 50 numbers?
A
20
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B
25
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C
49
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D
50
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Solution
The correct option is C 49 For n numbers, the operation should be repeated for (n - 1) times, and therefore, for 50 numbers, the operation should be repeated for (50 - 1) = 49 times