Study the given pattern carefully and select the number that can replace the question mark (?) in it.
64 12 27
216 ? 343
512 40 125
Options:
a) 42
b) 72
c) 64
d) 95
Solution
Row 1 = 64, 12, 27
= 43, 12, 33
(First Number) 
(Third Number) 
Second number
3rd row = 512, 40, 125
83, 40 , 53
Apply Same Logic to 2nd row
216, ? , 343
63, ? 73
? 
Answer: a) 42