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Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
214, 207, 193, ?, 144, 109

Option 1: 172

Option 2: 117

Option 3: 175

Option 4: 170


Team Careers360 25th Jan, 2024
Answer (1)
Team Careers360 27th Jan, 2024

Correct Answer: 172


Solution : Given:
214, 207, 193, ?, 144, 109

In the above-given series, subtract the multiples of 7 from the previous number to get the next number.
214 – 7 = 207; 207 – 14 = 193; 193 – 21 = 172; 172 – 28 = 144; 144 – 35 = 109

So, 172 is the missing number of the series. Hence, the first option is correct.

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