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Class 10 Mathematics Arithmetic Progressions (AP)Finding the $n$th term of an APMedium

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In a staircase, the first step height is (10) cm and each next step is (3) cm higher. What is the height of the (12)th step?

Answer and explanation

Correct answer: (43) cm

This is an AP with (a=10), (d=3). (a_{12}=10+11\times3=43) cm. In word problems, identify the first term and difference.

Related tags

Ap Word-Problem Nth-Term Class10 Finding The $N$Th Term Of An Ap Finding The N Th Term Of An Ap Arithmetic Progressions (Ap)Arithmetic Progressions Ap

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