# NCERT Class 11 Chapter 9 Maths Sequence and Series MCQ | Questions & Answers

NCERT Class 11 Chapter 9 Maths Sequence and Series MCQ | Questions & Answers: This page will help you take up the NCERT Class 11 Chapter 9 Maths Sequence and Series MCQ Quiz. In turn, you know will know how much expertise you have in the NCERT Class 11 Chapter 9 Maths Sequence and Series.

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1. If "a" is the first term and  is the last term (nth term), then the sum of all the term of this sequence is given by: 2. The sum of the first hundred even natural numbers divisible by 5 is

3. If the 10 times of the 10th term of an AP is equal to 15 times to the 15th term, then the 25th term is:

4. The number of terms of the series
51,49,47,...37 is

5. The first negative term of the A.P.
62,57,52.... is the

6. How many terms of the series
24,20,16,...are required so that their sum is 72?

7. 8. The number of terms in the sequence -17, -10, -3,...., 144 is:

9. Three terms in A.P. are such that their sum is 45.What is the middle term?

10. The terms of an A.P. are doubled, then the resulting sequence is