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Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
15, 16, 32, 35, 140, 145, ?

Option 1: 910

Option 2: 870

Option 3: 840

Option 4: 790


Team Careers360 1st Jan, 2024
Answer (1)
Team Careers360 15th Jan, 2024

Correct Answer: 870


Solution : Given:
15, 16, 32, 35, 140, 145, ?

The pattern is as follows –
15 + 1 = 16; 16 × 2 = 32; 32 + 3 = 35; 35 × 4 = 140; 140 + 5 = 145; 145 × 6 = 870

So, the missing number of the series is 870. Hence, the second option is correct.

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