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Question

What should come in place of '?' in the given series?

 152 140 134 122 116 104 ?

This question was previously asked in
RRB NTPC 2025 Under Graduate CBT 1 Question Paper PDF (20-Jun-2026) (Shift 3)
The correct answer is

98

Differences between consecutive terms: \(-12,\ -6,\ -12,\ -6,\ -12\), alternating between -12 and -6.

The next difference should be -6, giving \(104-6 = 98\).

Hence, the missing term in the series is 98.

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