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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsExpert
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In a figure pattern the first figure has (11) dots and each next figure has (6) more dots. How many dots are there in the first (24) figures?

Answer and explanation

Correct answer: (1920)

The dot numbers are (11,17,23,\ldots) and (S_{24}=1920). Exam tip: use the sum formula for the total of a pattern.

Related tags

ApWord-ProblemPatternTotalWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematics
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