If 4 + 14 = 2 and 5 + 20 = 3, calculate the value of 22 + 57.
A
9
B
7
C
11
D
13
Correct Option:
B
Explanation
The unusual "+" sign represents a hidden operation: (14 − 4)/5 = 2 and (20 − 5)/5 = 3. Applying the same rule, (57 − 22)/5 = 35/5 = 7. Therefore, the answer is 7.