Mathematics · Number Series Reasoning

Which number will replace the question mark (?) in the given series? 78, 97, 54, ?, 30, 145

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1107
2115
3121✓
4113

Correct answer

121

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Which number will replace the question mark (?) in the given series? 78, 97, 54, ?, 30, 145

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Which number will replace the question mark (?) in the given series? 78, 97, 54, ?, 30, 145

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