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In a competition (30) participants come on the first day and (10) more participants come each next day. How many participants come in (5) days?

Answer and explanation

Correct answer: 250

The daily numbers of participants form an arithmetic progression: 30, 40, 50, 60, 70. Therefore, the total for 5 days is 30 + 40 + 50 + 60 + 70 = 250. Option 240 gives a smaller total than the required sum. Exam tip: In AP word problems, first identify the first term, common difference, and number of terms before finding the sum.

Related tags

Arithmetic ProgressionAp Word ProblemsSum Of TermsMathematics Class 10SequenceWord Problems Based On ApsArithmetic Progressions (Ap)Arithmetic Progressions Ap

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