Practice Test · Class 10

Arithmetic Progressions

10 questions randomised from the chapter. Type each final answer and submit to see your score.

00:01

0/10 attempted

Sum of first

50

natural numbers.

Three numbers in AP have sum

24

and product

440

Sum of first

n

terms is

3n^2 + 5n

. Find

n^{th}

term.

Which term of

21, 18, 15, \ldots

-81

S_{20}

5, 8, 11, \ldots

a_n

of AP

10, 7, 4, \ldots

when

n = 15

Find

a_{25}

2, 5, 8, \ldots

The 7th term of an AP is 34 and 13th is 64. Find the AP.

How many terms of

2, 4, 6, \ldots

add to

110

Which term of the AP

3, 8, 13, \ldots

78