SSC-IMD-SA-REASONING-MOCK-01 – Question 20

Question:

Find the missing term in the series:
3, 11, 27, 51, ?

श्रृंखला में लुप्त पद ज्ञात कीजिए:
3, 11, 27, 51, ?

Options:

  • 83
  • 87
  • 91
  • 95
  • 83
  • 87
  • 91
  • 95

Correct Answer: a)

Explanation:

The differences between consecutive terms are:
11 – 3 = 8
27 – 11 = 16
51 – 27 = 24
The differences increase by 8 each time (8, 16, 24, 32).
Next term = 51 + 32 = 83.

पदों के बीच का अंतर:
11 – 3 = 8
27 – 11 = 16
51 – 27 = 24
अंतर में 8 की वृद्धि हो रही है, अगला अंतर 32 होगा।
लुप्त पद = 51 + 32 = 83।

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