Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
31, 62, 65, 260, 265, ?
Option 1: 860
Option 2: 1240
Option 3: 555
Option 4: 1590
Correct Answer: 1590
Solution :
Given:
31, 62, 65, 260, 265, ?
The pattern is as follows –
31 × 2 = 62; 62 + 3 = 65; 65 × 4 = 260; 260 + 5 = 265; 265 × 6 = 1590
So, the missing number is 1590. Hence, the fourth option is correct.
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