Answer-When 6892, 7105 and 7531 are divided by the greatest number x, then the remainder in each case is th...

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6892, 7105, 7531 7105-6892  213 7531-7105  426 7531-6892  639 HCF of 213, 426 and 639 are 213. x  213 Now, dividing any of 6892, 7105, or 7531 we get the remainder  76 y  76 sum of digits  of value X2136

When 6892, 7105 and 7531 are divided by the greatest number x, then the remainder in each case is the same. The sum of the digits of x is:

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