Sequence and Series-PO

The A.M between 9 and 11 is

The 5th term of the G.P 3,6,12,… is

The series obtained by adding the term of arithmetic sequences is called

If A and H are arithmetic and harmonic mean between 2 and 3, then A + H =

The sum of the first fifteen terms of the series 3+19+35+… is

No terms of a Harmonic sequence can be

The sum of first six terms of the series 1+7+13+… is

1,8,15,22,29,36,… is

The A.P whose nth term is 2n-1 is

A number G is said to be the geometric mean between two numbers a and b if a,G,b is

The A.M between x-3 and x+5 is

The series obtained by adding the terms of geometric sequences is called

If H is harmonic mean between 7 and 8, then H/2 =

Twice the sum of the first fifteen terms of the series 5+10+20+ … is

The 5th term of and the nth term of the A.P 1,5,… are

The 7th term of an arithmetic sequence whose first term is 2 and common difference of zero is

5, 5/2 , 5/4,… is

A sequence in which any term divided by its immediate previous term gives a constant is called

If n is any positive integer then 1+3+5+…+(2n-1) =

A number is said to be arithmetic mean between two numbers a and b if a,A,b is

The common ratio of a geometric sequence cannot be

The sum of the first fifteen terms of the series 5+10+20+… is

A geometric mean between 2 and 8 is also

The nth term of an A.P is 1/2(3-n), the first three terms are

The next two terms of the sequence 1,3,7,15,31,… are

What comes next in the sequence: 1, 2, 6, 22, ____ ?

What is the 31^st term of the sequence: 1, 4, 7, 10, …. ?

Let the sequence be 1, 3, 5, 7, 9……… then this sequence is

In the given AP series the term at position 11 would be
5, 8, 11, 14, 17, 20………50.

For the given Arithmetic progression find the position of first negative term?
50, 47, 44, 41,…………