# Find the missing value

find the value of 1 + 7 from the following.

3   +   3   =   3

5   +   4   =   4

1   +   0   =   3

2   +   3   =   4

3   +   4   =   5

1   +   7   =   ?


5

Explanation

3 + 3 = 3 (no of letters in Six)
5 + 4 = 4 (no of letters in Nine)
1 + 0 = 3 (no of letters in One)
2 + 3 = 4 (no of letters in Five)
3 + 4 = 5 (no of letters in Seven)
1 + 7 = 5 (no of letters in Eight)