Out of the total number of chocolates he had, Ram gave 1/3rd of the chocolates to his sister, 1/7th to his brother and 1/5th to his friend. How many chocolates did he have in the beginning?
Explanation:
Let the number of chocolates be N.
Now, since N/3, N/7 and N/5 are integers, N should be divisible by all of 3, 7 and 5.
∴ N should be a multiple of LCM (3, 7, 5) = 105.
Hence, option (d).
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