Question

if 4 P7 is exactly divisible by 3 then least value of p is​

Answer 1

Answer:

We know that if sum of digits of a number is divisible by 3, then the number is divisible by 3. Here, 4 + x + y + 7 = multiple of 3 x + y + 11 = 0, 3, 6, 9, …. Hence, x + y + 11 = 12 ∴ x + y = 1 ∴ the least value of (x + y) is 1Read more on Sarthaks.com - https://www.sarthaks.com/1112190/if-4xy7-is-exactly-divisible-by-3-then-the-least-value-of-x-y-is-a-1-b-4-c-5-d-7

Step-by-step explanation:

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