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Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
198, 202, 211, 227, ?

Option 1: 236 

Option 2: 252

Option 3: 275

Option 4: 245


Team Careers360 23rd Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: 252


Solution : Given:
198, 202, 211, 227, ?

Add the square of the consecutive natural numbers in the previous term to obtain the next term –
198 + 2 2 = 198 + 4 = 202;
202 + 3 2 = 202 + 9 = 211;
211 + 4 2 = 211 + 16 = 227;
227 + 5 2 = 227 + 25 = 252

So, 252 is the missing number in the given series. Hence, the second option is correct.

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