General Intelligence Number Series Number Series Question #6514 (CAT-I)

Find the missing number in the series: 3, 5, 10, 17, 29, 48, ?

A 72
B 77
C 82
D 79
Correct Answer & Explanation
Option D
• The differences between consecutive terms follow a Fibonacci-like pattern where each difference is the sum of the preceding two differences. 5 - 3 = 2 10 - 5 = 5 17 - 10 = 7 (where 2 + 5 = 7) 29 - 17 = 12 (where 5 + 7 = 12) 48 - 29 = 19 (where 7 + 12 = 19) Next difference = 12 + 19 = 31 Missing term = 48 + 31 = 79