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Question : Directions: Select the number from among the given options that can replace the question mark (?) in the following series.
242, 288, ?, 392, 450

Option 1: 338

Option 2: 375

Option 3: 316

Option 4: 324


Team Careers360 16th Jan, 2024
Answer (1)
Team Careers360 22nd Jan, 2024

Correct Answer: 338


Solution : Given:
242, 288, ?, 392, 450

Multiply the square of the consecutive natural numbers (starting from 11) by 2 to get the terms given in the series.
(11) 2 × 2 = 121 × 2 = 242
(12) 2 × 2 = 144 × 2 = 288
(13) 2 × 2 = 169 × 2 = 338
(14) 2 × 2 = 196 × 2 = 392
(15) 2 × 2 = 225 × 2 = 450

So, 338 is the missing term in the series. Hence, the first option is correct.

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