IGDTUW 2026 — Reasoning PYQ
IGDTUW | Reasoning | 2026Find the next number in the series:
7,10,8,11,9,?
Choose the correct answer:
- A.
10
(Correct Answer) - B.
11
- C.
12
- D.
13
10
Explanation
The correct option is (a) 10.
Detailed Explanation:
There are two common ways to understand and solve this pattern:
Method 1: Alternating Addition and Subtraction
The series advances by alternatively adding 3 and subtracting 2:
7+3=10
10−2=8
8+3=11
11−2=9
Following this alternating sequence, the next logical step is to add 3:
Next Number=9+3=10
Explanation
The correct option is (a) 10.
Detailed Explanation:
There are two common ways to understand and solve this pattern:
Method 1: Alternating Addition and Subtraction
The series advances by alternatively adding 3 and subtracting 2:
7+3=10
10−2=8
8+3=11
11−2=9
Following this alternating sequence, the next logical step is to add 3:
Next Number=9+3=10