Question

(A
3. Find the greatest number which on dividing 140, 170 or 155, leaves 5 as
remainder in each case.

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Answer 1

Answer:

140–5 = 135

170–5 = 165

155–5 = 150

Factors of

135 = 3x3x3x5

165 = 3x5x11

150 = 2x3x5x5

HCF = 3x5 = 15.

So, the greatest number which on dividing 140, 170, or 155, leaves 5 as a remainder in each case is 15

Answer 2

Answer:

15 is the correct answer of this question

Step-by-step explanation:

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