CBSE Guess > Papers > Important Questions > Class XI > 2010 > Maths > Maths By Mr. Shivankar Gupta
CBSE CLASS XI
**Q. 1. **Write the first five term of each of the sequence
**Q. 2. **In an A.P. the first term is 2 and the sum of first five terms is one fourth of the sum of next five term. Show that 20th term is --112?
**Q. 3. **The sum of n terms of two arithmetic progressions are in the ratio Find the ratio of their 18th terms.
**Q. 4. **Between 1 and 31, m numbers have been inserted in such a way that the resulting
sequence is an A.P. and the ratio of 7th and numbers is . Find the value of m.
**Q. 5. **The difference between any two consecutive interior angles of a polygon is . If the smallest angle is . Find the number of sides of the polygon.
**Q. 6. **If the sum of first p terms of an A.P. is equal to the sum of first q terms, then find the sum of first term..
**Q. 7. ** If the sum of n terms of an A.P. is . Find the series and its nth term.
**Q. 8. **Find the sum of all two digit numbers which when divided by 4 , yields 1 as remainder.
Paper By Mr. Shivankar Gupta
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