Sequence and SeriesPYQ Nov. 19Question 1757 of 142
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If 2+6+10+14+.........+x=882\displaystyle 2+6+10+14+.........+x=882 then the value of x\displaystyle x is

Options

A78\displaystyle 78
B80\displaystyle 80
C82\displaystyle 82
D86\displaystyle 86
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Correct Answer

✅ Option a — 78\displaystyle 78

All Options:

  • A78\displaystyle 78
  • B80\displaystyle 80
  • C82\displaystyle 82
  • D86\displaystyle 86

About This Chapter: Sequence and Series

Paper

Paper 3: Quantitative Aptitude

Weightage

4-6 Marks

Key Topics

Arithmetic & Geometric Progressions

This chapter covers Arithmetic Progressions (AP) and Geometric Progressions (GP). Students learn how to find the nth term, sum of n terms, arithmetic/geometric means, and sum to infinity of a GP.

View Official ICAI Syllabus

Exam Strategy Tip

For complex 'sum of series' questions, a great hack is to substitute n = 1 and n = 2 into the question and the options to see which one matches, completely bypassing the formula.

More Questions from Sequence and Series

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Insert 4 numbers between 2 and 22 such that the resulting sequence is an Arithmetic Progression (A.P.).

Find the sum of series 1+12+14+…\displaystyle 1 + \frac{1}{2} + \frac{1}{4} + \dots upto 6 terms.

If the sum of 'n\displaystyle n' terms of an AP (Arithmetic Progression) is 2n2\displaystyle 2n^2, the fifth term is ____.

The sum of first n\displaystyle n terms an AP is 3n2+5n\displaystyle 3n^2+5n. The series is:

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