What will come in place of the question mark (?) in the following number series?
1727, 1333, 997, ?, 507
Correct Answer: Option D
The pattern of given series is:
→ 123 – 1 = 1728 - 1 = 1727,
→ 113 + 2 = 1331 + 2 = 1333,
→ 103 – 3 = 1000 - 3 = 997,
→ 93 + 4 = 729 + 4 = 733,
→ 83 - 5 = 512 - 5 = 507
⇒ ? = 733
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