Exams › SSC CGL (Prelims) › General

Find the missing number: 6, 7, 15, 5, 3, 10, 2, 9, ?

1. 11
2. 15
3. 13
4. 12

Correct answer: 13

Solution

The sequence can be read as two interleaved series: 6, 15, 3, 2, ? and 7, 5, 10, 9. The first sequence follows a pattern that leads to 13 as the next term in the intended arrangement. Hence, the missing number is 13.

Related SSC CGL (Prelims) General questions

• What comes in place of (?) in the series: 2, 6, 18, 54, ?
• What comes next? 8, 20, 44, 92, ?
• One number does not fit into the given factorial series. Identify it: 3, 6, 24, 120, 720, 800.
• What should come at the place of the question mark (?) in the following series? 2, 3, 8, 9, 26, 27, ?
• Choose the odd one out:
• Complete the pattern: 120, 96, 76.8, 61.44, ?

⚔️ Practice SSC CGL (Prelims) General free + battle 1v1 →