If 3@4=13 and 5@6=31, rule a@b=a×b+1. Then 7@8=?
Question 1
Q1. If 3@4=13 and 5@6=31, rule a@b=a×b+1. Then 7@8=?
Answer: 57
Explanation: Seven times eight plus one equals fifty seven. Spot the relationship or pattern quickly under ISSB time limits.