Question

= ♦ + 1. As per this condition, which of the following digits should replace *.
in the number 3*♦5, so that it is exactly divisible by 3?​

Answer 1

Step-by-step explanation:

if the sum of the digits is multiple of 3 then the number is divisible by 3

∴ 3+9+1+5 = 18 which is multiple of 3

Hence, 9 replaces * and 1 replaces ♦

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