Start learning →

An AP has difference 4. The subsequence a₁,a₄,a₇,… has difference

A8
B16
C4
D12
Answer & Solution
Correct answer: D. 12
Each subsequence step spans three original differences, giving 3×4=12.
Practise this question with Quill — ICSE Class 10 →

Keep practising Arithmetic & Geometric Progressions

Browse all Arithmetic & Geometric Progressions questions for ICSE Class 10, or explore more Mathematics topics.

Start a Arithmetic & Geometric Progressions lesson →