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Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
120, 121, ?, 140, 76, 201

Option 1: 130

Option 2: 113

Option 3: 98

Option 4: 85


Team Careers360 7th Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: 113


Solution : Given:
120, 121, ?, 140, 76, 201

Add and subtract alternatively cube of consecutive natural numbers to obtain the required code –
120 + 1 3 = 121; 121 – 2 3 = 113; 113 + 3 3 = 140; 140 – 4 3 = 76; 76 + 5 3 = 201

So, the required missing number in the series is 113. Hence, the second option is correct.

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