CUET Level - I JEE Mock Test - 8 ( Maths )

If “a” is the first term and “r” is the common ratio, then the nth term of a G.P is:

• 1. arⁿ

• 1. ar^n-1

• 1. (ar)^n-1

• 1. None of these

The next term of the given sequence 1, 5, 14, 30, 55, … is

• 89

• 90

• 91

• 92

If the nth term of an arithmetic progression is 3n-4, then the 10th term of an A.P is

• 25

• 26

• 27

• 28

3, 5, 7, 9 is an example of

• 1. Arithmetic sequence

• 1. Geometric sequence

• 1. Harmonic sequence

• 1. Fibonacci sequence

The first term of a G.P is 1. The sum of the 3rd and 5th terms is 90. Then the common ratio is:

• 1

• 2

• 3

• 4

If 2/3, k, 5/8 are in AP then the value of k is

• 31/24

• 31/48

• 24/31

• 48/31

Three numbers form an increasing GP. If the middle term is doubled, then the new numbers are in Ap. The common ratio of GP is

• 2 + √3

• 2 – √3

• 2 ± √3

• None of these

If the letters of the word SACHIN are arranged in all possible ways, and these words are written in a dictionary, at what serial number does the word SACHIN appear?

• 602

• 601

• 604

• 602

Assuming the balls to be identical except for the difference in colours, the number of ways in which one or more balls can be selected from 10 white, 9 green and 7 black balls is ______.

• 879

• 880

• 881

• 882

In how many ways can 5 boys and 5 girls sit in a circle so that no two boys sit together?

• 2880

• 2881

• 2882

• 2883