Arithmetic Progressions Quiz 4

The next term of $\sqrt2 ,\sqrt8 ,\sqrt{18} ,\sqrt{32} ,$ is .............

The common difference of an AP in which $a_{25}-a_{12}$ = -52 is ………

What will be the value of x if 8x + 4 , 6x – 2 and 2x + 7 are in arithmetic progression?

The $n^{th}$ term of an arithmetic progression is -11 while sum of the first n terms is 66, when its first term is 22 then the value of n is

If the first and fifth term’s sum is 10, then the third term of an arithmetic progression is…………

If the $10^{th}$ term of the sequence $\sqrt3 ,\sqrt{12} ,\sqrt{27}$ is $\sqrt{3n^2}$ then the value of $\frac{n}{2}$ is ………

If the product of five numbers in GP is 1024, then the middle number is

If the second term of a GP is 2 and the sum of infinite terms is 8, then the first term is

If a, b and c are in AP and also in GP, then

The least value of n for which 1 + 2 + $2^2+$ ............. (n terms) is greater than 1000 is