Question

Find the greatest number which when divide 25,40 & 55 leave a same remainder in each case?

A 10 Correct Answer Incorrect Answer
B 15 Correct Answer Incorrect Answer
C 20 Correct Answer Incorrect Answer
D 25 Correct Answer Incorrect Answer

Solution

The greatest number which when divide 25,40 & 55 leave a same remainder in each case = HCF (40 - 25, 55 -25 , 55 - 40) = HCF (15, 30, 15) = 15.

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