2019 · Q115
Consider the following series: 9, 17, 33, 49, 73, ... Identify the missing number from the following:
general-mental-abilityquantitative-aptitude
- A99
- B97
- C95
- D91
Explanation
Successive differences are 8, 16, 16, 24 - each difference repeated twice and rising by 8 - so the next difference is 24 and the next term is 73 + 24 = 97. Hence B.