Question

Consider a number of the form '49678a' which is divisible by 6 but not divisible by 5. Find the value of (a × 2 + 3).

Q: Answer-Consider a number of the form '49678a' which is divisible by 6 but not divisible by 5. Find the valu...

ATQ,Divisibility by 6 divisible by both 2 and 3.Sum of digits 4 9 6 7 8 a 34 aTo be divisible by 3 34 a must be divisible by 3Also, a must be even for divisibility by 2, and not 0 or 5.Even options 0, 2, 4, 6, 8Try a 2 34 2 36 So, a 22a 3 22 3 7

A 12

B 18

C 7

D 10

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Consider a number of the form '49678a' which is divisible by 6 but not divisible by 5. Find the value of (a × 2 + 3).

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