Board Exam Paper 2026 | Q. No. 1(vi) | RBSE Class 10th Maths Model Paper 2026 | By Kuldeep Sir

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Chapter 5 Arithmetic Progression
00:00:00 The common difference of the A. P. 1/3, 5/3, 9/3, 13/3, … is- (a) 1/3 (b) 2/3 (c) -4/3 (d) 4/3
00:00:30 How many numbers between 10 and 250 are multiples of 4. (a) 58 (b) 60 (c) 62 (d) 64
00:01:00 If 18, a, b, –3 are in A.P., then value of a + b is- (a) 21 (b) -21 (c) 15 (d) -15
00:01:30 In A.P. if a = 18, n = 10 and an = 0. then common difference is (a) 1 (b) 2 (c) 3 (d) 4
00:02:00 How many two-digit numbers are divisible by 3? (a) 30 (b) 33 (c) 27 (d) 39
00:02:30 Formula for sum of first 'n' positive integers is - (a) n(n+1)/2 (b) n(n-1)/2 (c) n(1-n)/2 (d) n(n²+1)/2
00:03:00 12ᵗʰ term of an A.P. 7, 13, 19, 25 ……………. Is – (a) 50 (b) 60 (c) 73 (d) 81
00:03:30 Find the sum of the 13 terms of A.P. : 24, 21, 18, …… . (a) 590 (b) -590 (c) 690 (d) -690
00:04:00 Sum of the first 5 positive integers divisible by 3 is- (a) 27 (b) 45 (c) 36 (d) 55
00:04:30 Given an = 28, S = 144, and there are total 9 terms, then first term is- (a) 4 (b) 3 (c) 2 (d) 1
00:05:00 Common difference of A.P. 1/15, 1/12, 1/10 ..., ... is _____ .
00:05:30 If an = 9 - 5n is nth term of an arithmetic progression (A.P.) then common difference is ________.
00:06:00 Write the next two terms of A.P. 4, 1, – 2, – 5, …, ... .
00:06:30 If first term is 4 and common difference is -3 then find 4th term of AP is ________ .
00:07:00 If the first term of an arithmetic progression is 2 and the common difference is 3, then the nth term will be _______ .
00:07:30 Which term of AP 21, 18, 15 ......... is zero.
00:08:00 Find common difference for an A.P. : √3, √12, √27, ..., ...
00:08:20 If 18, a, –12 are in arithmetic progression, then find the value of a.
00:08:40 Find the 20th term from the last term of the AP : 3, 8, 13, . . ., 253.
00:09:00 Subba Rao started work in 1985 at an annual salary of Rs 5000 and received an increment of Rs 200 each year. In which year did his income reach Rs 7000?
00:09:10 Determine the A.P. whose 3ʳᵈ term is 5 and the 7ᵗʰ term is 9.
00:09:15 If the sum of the first 14 terms of an A.P. is 1050 and its first term is 10, find the 20ᵗʰ term.
00:09:20 Find the number of terms and their sum of an A.P. 7, 13, 19, …., 205.
00:09:25 The first term of an AP is 5, the last term is 45 and the sum is 400. Find the number of terms and the common difference.
00:09:30 Find the sum of first 22 terms of an AP in which d= 7 and 22nd term is 149.