[" The number of ordered pairs "],[(m,n),m,n in{1,2,....,100}],[" divisible by "5" is "]

The number of ordered pairs (m,n),m,n in{1,2,...,100} such that 7^m + 7^n is divisible by 5 is

The number of ordered pairs (m,n),m,n in{1,2,...,100} such that 7^(m)+7^(n) is divisible by 5 is

The number of ordered pairs (m,n), where m, n in {1,2,3, …..,50}, such that 6^(m)+9^(n) is a multiple of 5 is -

The number of ordered pairs (m,n) (m,n epsilon {1,2,……..20}) such that 3^(m)+7^(n) is a multiple of 10, is

The number of ordered pairs (m,n) (m,n epsilon {1,2,……..20}) such that 3^(m)+7^(n) is a multiple of 10, is

The number of ordered pairs (m,n) where m , n in {1,2,3,…,50} , such that 6^(m)+9^(n) is a multiple of 5 is

The number of ordered pairs (m,n) where m , n in {1,2,3,…,50} , such that 6^(m)+9^(n) is a multiple of 5 is