Mathematics · Arithmetic Progression

Sum of how many terms of the series 24, 21, 18, ... is 78?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

16 or 10
24 or 13✓
37 or 14
45 or 12

Correct answer

4 or 13

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Sum of how many terms of the series 24, 21, 18, ... is 78?

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