Adaptive Practice
Arithmetic Progressions
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Question 1 of 10
⏱ 0:30
Easy
What is the common difference of the arithmetic progression 5, 8, 11, 14, ...?
Easy
Find the 10th term of the arithmetic progression 2, 7, 12, 17, ...
Medium
Sum of first 20 terms of an AP is 610. If the first term is 7, and the common difference is 3, what is the 20th term?
Medium
If the 5th term of an AP is 18 and the 12th term is 39, find the first term.
Hard
The sum of the first n terms of an AP is given by S_n = 3n^2 + 2n. Find the 10th term.
Easy
Which one of the following is NOT an arithmetic progression?
Medium
If the 8th term of an AP is zero and the 14th term is 12, find the 20th term.
Medium
The sum of first 15 terms of an AP is 345. If the 15th term is 39, find the first term.
Hard
In an AP, the sum of first n terms is 5n^2 + 3n. Find the common difference.
Medium
The 3rd term of an AP is 7 and the 9th term is 19. Find the sum of the first 12 terms.