Question

Two numbers when divided by a certain divisor
leave remainders of 12 and 17 respectively. If their
sum is divided by the same divisor, the remainder is
11. Then the divisor is​

Answer 1

Answer:

When the same two numbers are added and divided by the same divisor, the ... a certain number is successively divided by 4, 5 and 7 leaves remainder 1, ... Hence,their sum will also be divisible by z