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Class 10MathematicsArithmetic Progressions (AP)Word problems based on APsMedium
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In a matchstick pattern the first figure has (9) matchsticks and each next figure has (6) more matchsticks. How many matchsticks are in the (12)th figure?

Answer and explanation

Correct answer: (75)

The matchstick numbers are (9,15,21,\ldots) and (a_{12}=75). Exam tip: in pattern questions check whether the difference is constant.

Related tags

ApWord-ProblemPatternWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions ApMathematicsClass 10 Mcq
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