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Mathematics – Class 11 Practice Test 6


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. What is the value of n, if the coefficients of the second term of (x – y)3 is equal to the third term of the expansion (x + y)n?

2. Find sum of series 2+3+5+7.

3. 1+2+3+4 or 10 is a series?

4. Which of the following is the geometric mean of 3 and 12.

5. What is nth term of an A.P.?

6. Determine n if 2nC3: nC3 = 9:1.

7. Out of a group of 5 persons, find the number of ways of selecting 3 persons.

8. How many terms of G.P. 2,4,8,16, …………… are required to give sum 254?

9. The sequence is same as series.

10. Insert 4 numbers between 2 and 22 such that the resulting sequence is an A.P.


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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