# DBT JRF 2022 — Question 40

Exam: DBT JRF 2022 · Section: A · Topic: Aptitude › Number Series · Difficulty: Medium

## Question

Add one more element to the given number series: 71, 76, 69, 74, 67, 72:

## Options

- **A.** 77
- **B.** 65
- **C.** 80
- **D.** 76

## Answer

Option B

## Explanation

Number series: 71, 76, 69, 74, 67, 72, ___ Identify the alternating pattern: $71 \xrightarrow{+5} 76 \xrightarrow{-7} 69 \xrightarrow{+5} 74 \xrightarrow{-7} 67 \xrightarrow{+5} 72 \xrightarrow{-7} 65$ The pattern alternates: add 5, subtract 7. Next term = 72 − 7 = 65. Answer: 65 (Option 2).

Source: https://mypyqbuddy.com/questions/add-one-more-element-to-the-given-number-6a104cd5920734408bc0c705