Select the number from among the given options that can replace the question mark (?) in the following series.
240, 120, ?, 180, 360, 900
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 120.
Given series: 240, 120, ?, 180, 360, 900
The series follows this pattern:
240 × 0.5 = 120; 120 × 1 = 120; 120 × 1.5 = 180; 180 × 2 = 360; 360 × 2.5 = 900