Question

2+1=23
3+1=34
4+2=26
6+3=29
7+1=?

Answer 1

78

Step-by-Step explaination:

Formula: (prime number + another number)

= [that particular prime number×10 +(prime number + another number) ]

so the answer is = [that particular prime number×10 +(prime number + another number) ] = 7×10 +7+1 = 78

Answer 2

7+1=8

Explanation: