What should come in place of question mark (?) in the given series?
4, 20, 100, 500, 2500, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 12500.
Given series: 4, 20, 100, 500, 2500, ?
4 × 5 = 20
20 × 5 = 100
100 × 5 = 500
500 × 5 = 2500
2500 × 5 = 12500
So, the next term in the series is 12500.