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The greatest number that will divide 45, 95 and 185, so as to leave the same remainder in each case is
Question

The greatest number that will divide 45, 95 and 185, so as to leave the same remainder in each case is

A.

45

B.

95

C.

185

D.

10

Correct option is D

Given:
Numbers: 45, 95, and 185
Formula Used:
Greatest number dividing x, y, and z leaving the same remainder is the HCF of |x - y|, |y - z|, and |z - x|.
Solution:
Differences between the given numbers:
|95 - 45| = 50
|185 - 95| = 90
|185 - 45| = 140
Now, find the HCF of 50, 90, and 140.
Factors of 50 = 2 × 5 × 5
Factors of 90 = 2 × 3 × 3 × 5
Factors of 140 = 2 × 2 × 5 × 7
Common factors = 2 × 5 = 10
HCF = 10
Final Answer
So the correct answer is (d)

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