HARD
10th ICSE
IMPORTANT
Earn 100

If 8th term of an A.P. is zero, prove that its 38th term is triple of its 18th term.

Important Questions on Arithmetic and Geometric Progressions

MEDIUM
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 9 - Arithmetic and Geometric Progressions>Exercise 9.2>Q 16

Which term of the A.P. 3, 10, 17, ..... will be 84 more than its 13th term ?

MEDIUM
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 9 - Arithmetic and Geometric Progressions>Exercise 9.2>Q 17
How many two digit numbers are divisible by 3 ?
 
MEDIUM
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 9 - Arithmetic and Geometric Progressions>Exercise 9.2>Q 17
Find the number of natural numbers between 101 and 999 which are divisible by both 2 and 5.
MEDIUM
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 9 - Arithmetic and Geometric Progressions>Exercise 9.2>Q 18
If the numbers n-2, 4n-1 and 5n+2 are in A.P., find the value of n.
HARD
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 9 - Arithmetic and Geometric Progressions>Exercise 9.2>Q 19
The sum of three numbers in A.P. is 3 and their product is -35. Find the numbers.
HARD
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 9 - Arithmetic and Geometric Progressions>Exercise 9.2>Q 20
The sum of three numbers in an A.P. is 30, and the ratio of first to third is 3:7. Find the numbers.
MEDIUM
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 9 - Arithmetic and Geometric Progressions>Exercise 9.2>Q 21
The sum of the first three terms of an A.P is 33. If the product of the first and the third terms exceeds the second term by 29, then find the A.P.
EASY
10th ICSE
IMPORTANT
Understanding ICSE Mathematics Class 10>Chapter 9 - Arithmetic and Geometric Progressions>Exercise 9.3>Q 1

Find the sum of the following A.P.

2,7,12,... to 10 terms