CHAPTER-5 ARITHMETIC PROGRESSIONS (SET-1)

Questions in this test

1. Write the common difference of an A.P. whose $n^{th}$ term is $a_n$ = 3n+7.
2. Write the vale of $a_{30}-a_{10}$ for the AP 4,9,14,19,
3. Write the value of $x$ for which $2x, x +10$and $3x+2 $are in A.P.
4. Write the sum of first n odd natural numbers.
5. If the sum of first p term of an A.P is $ap^2+bp$, find its common difference.
6. If $7^{th}$ and $13^{th}$ terms of an A.P be 34 and 64 relatively, then its $18^{th}$term is.
7. If the sum of p terms of an AP is q and the sum of q terms is p, then the sum of $p+q$ terms will be
8. If the sum of n terms of an AP be $3n^2+n$ and its common difference is 6, then its first term is.
9. The first and last terms of an AP are 1 and 11. If the sum of its terms is 36, then the no. of terms will be.
10. If the sum of n terms of an AP is $3n^2 +5n$ then which of its terms is 164?