Question
Mathematics Question on Binary operations
For any two positive rational numbers m and n, a binary operation * is defined by m∗n=3m+n, then 27∗25 is equal to
A
4
B
6
C
2
D
8
E
9
Answer
2
Explanation
Solution
The correct option is (C): 2
For any two positive rational numbers m and n, a binary operation * is defined by m∗n=3m+n, then 27∗25 is equal to
4
6
2
8
9
2
The correct option is (C): 2