What least number must be subtracted from 2963 so that the resulting number when divided by 9, 10 and 15, the remainder in each case is 5?
Answer & explanation
Correct answer: option 2
9, 10, 15 = 90 (LCM)
= 2963 - 5
= 2958
= \(\frac{2958}{90}\) = 78 (remainder)