Question

find the greatest number that will divide 63,36 and 90 leaving remainder 9 in each case​

Answer 1

Step-by-step explanation:

Step-by-step explanation:

adding reminder 9 to all the numbers

i) 63 + 9 = 72

ii)36 + 9 = 45

iii)90 + 9 = 99

taking out prime factor s

i) 72 = 2×2×2×3×3

ii) 45 = 5×3×3

iii) 99 = 11×3×3

In this factors the HCF is 3×3 , i.e. 9

: . the required no. is 9

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