In each series, look for the degree and direction of change between the numbers. In other words, do the numbers increase or decrease, and by how much
Look at this series: 529, 841, 961, 1369, 1681, 1849, ... What number should come next?
Answer: Option E
Explanation:
The series is : 232, 292, 312, 372, 412, ..........(Square of prime numbers)
Look at this series: 1, 5, 13, 25, 41, ... What number should come next?
Answer: Option C
The given series is in pattern + 4, + 8, + 12, + 16, ...............So, the missing term = 41 + 20 = 61