Sequences And Series Mock Tests

The sum to infinity of the geometric series 1 + 1/3 + 1/9 + 1/27 + … is:

The number of 3-digit numbers divisible by 6 is:

The 5th term of a geometric progression with first term 2 and common ratio 3 is:

The sum of the first n natural numbers is

If the first term of a G.P. is 2 and the common ratio is 3, then the 5th term is:

The sum of the first 6 terms of the GP: 3, 6, 12, 24, ... is:

The sum of the first 20 terms of the AP: 3, 7, 11, 15, ... is:

The value of (2!)! is: