Question

Answer : D
Solution:
The two ends of each line contain a number and its square -5.
e.g. 152-5=220,
182-5=319,
122-5 = 139
So, missing number =32-5 = 4.
So, the answer is 4.
Answer : D
Solution:
The two ends of each line contain a number and its square -5.
e.g. 152-5=220,
182-5=319,
122-5 = 139
So, missing number =32-5 = 4.
So, the answer is 4.