Subject :Rea Class : Class 4
If 2 means 5, 5 means 7 and 7 means 13, then which is prime factor of 45?
A2
B5
C7
D13
HOW ANS IS - A,IT SHOULD BE - C
If 2 means 5, 5 means 7 and 7 means 13, then which is prime factor of 45?
A2
B5
C7
D13