Time Left - 30:00 mins

Revision Quiz | Sequence and Series

Attempt now to get your rank among 839 students!

Question 1

A man saves Rs. 200 in each of the first three months of his service. In each of the subsequent months his saving increases by Rs. 40 more than the saving of immediately previous month. His total saving from the start of service will be Rs. 11040 after.

Question 2

th term of G.P. are

, then:

Question 3

Find the sum till 7^th term of

Question 4

Let

be a circle of radius 1. For

, let

be a circle whose area equals the area of a square inscribed in

. Then

equals

Question 5

The sum of the infinite series

+ ….is equal to

Question 6

In a geometric progression, if the ratio of the sum of first 5 terms to the sum of their reciprocals is 49, and the sum of the first and the third term is 35. Then the first term of this geometric progression is :

Question 7Multiple Correct Options

If a, b, c are in G.P. then-

Question 8

If a, x are real number |a| < 1, |x| < 1 then 1 +(1 + a) x + (a + a +a²)x² + ..... $Description: E:\WBJEE\2016\2016_Mathematics_files\image001.png$ is equal to