Question

N is an integer and 120< n < 140 Find the value of the multiple of 45

Answer 1

Answer:

1) There is a remainder of 3 when n is divided by 4.

(2) There is no remainder when n is divided by 5.

statement 1: n = 4k + 3; n could be 103, 107, 111, 115, 119. not sufficient

statement 2: n = 5k; n could be 105, 110, 115. not sufficient

combining both statements, n = 115.