Question

plz explain the answer..
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Answer 1

Answer:

simply divide all the options by 3(means one-third part) and add 10 if any no. come as in the option is the right answer.

Answer 2

Answer:

let the integer be X

give X is 10 more than its 1/3

so, X= X/3 + 10

let's check

15/3 + 10 = 15 ✓

12/3 +10 ≠ 12

22/3 +10 ≠ 22

43/3 +10 ≠ 43

so answer is A

Hope it helps you........