Subject :IMO Class : Class 6
The co-prime numbers from the following pairs, are _____.
A 7 and 63
B 36 and 25
C 35 and 21
D 63 and 81
The co-prime numbers from the following pairs, are _____.
A 7 and 63
B 36 and 25
C 35 and 21
D 63 and 81