✓ Board-verified
Mathematics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 2 · Q11
If a, b, c form an A.P. with common difference d, then the value of a - 2b - c is equal to
Official answer
From CBSE’s own marking scheme for this paper.
(C)
-2a - 4d
More from Arithmetic Progressions
- Cable cars at hill stations are one of the major tourist attractions. On a hill station, the length of cable…2025 · asked 3×
- In order to organise, Annual Sports Day, a school prepared an eight lane running track with an integrated…2025 · asked 3×
- In Mathematics, relations can be expressed in various ways. The matchstick patterns are based on linear…2022 · asked 3×
- If the sum of the first n terms of an A.P be 3 n^2+n and its common difference is 6, then its first term is2023 · asked 3×
- The sum of first and eighth terms of an A.P. is 32 and their product is 60. Find the first term and common…2024 · asked 3×
- Assertion: Common difference of the AP: 5,1,-3,-7, … is 4. Reason (R): Common difference of the AP: a 1, a 2,…2025 · asked 3×
- Find two consecutive negative integers, sum of whose squares is 481.2026 · asked 3×
- A faster train takes one hour less than a slower train for a journey of 200 km. If the speed of the slower…2026 · asked 3×
CBSE Class 10 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.