Question

Chosen C
2.1 What is the sum of digits of the least number, which when divided by 15.18 and 42 leaves the same remainder 8 in each
11 case and is also divisible by 13?​

Answer 1

15 = 3 x 5

18 = 2 x 3 x 3

24 = 2 x 2 x 2 x 3

LCM = 2x2x2x3x3x5 = 360

So number required is 368

368/13 = 28.31 So this is not advisable by 13.

360 × 2 = 720+8 = 728

728 ÷ 13 = 56

Correct number is 728

Sum of these digits is 17

Ans = 17