Some of mathematical operations are given below choose the expression which is mathematically correct.
If A = 14 B = 21 and C = 28, what is the value of ((A + B) × C) mod 97?
Show answer & explanation
Correct answer: A
Explanation
A = 14
B = 21
C = 28
To find:
((A + B) × C) mod 97
1: A + B
14 + 21 = 35
2: Multiply by C
35 × 28 = 980
3: Divide 980 by 97 and leave remainder
97 × 10 = 970
Remainder = 980 − 970 = 10
Hence,
((A + B) × C) mod 97 = 10