- A20
- B9
- C4
- D5
Step-by-Step Solution
New list: 8, 12, 16, 20, … Adding the same number to every term shifts all terms equally, so the common difference stays 4.
Answer: C) 4
Every term of the AP 3, 7, 11, 15, … is increased by 5. What is the common difference of the new list?
Class 10Properties and Selection of AP TermsAlgebra — Sequences
Master this chapter in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Properties and Selection of AP Terms practice questions
More Class 10 Properties and Selection of AP Terms practice
Each term of the AP 2, 5, 8, 11, … is multiplied by 3. What is the common difference now?For what value of k are 2k + 1, 13 and 5k − 3 three consecutive terms of an AP?Three numbers in AP add up to 24. What is the middle number?When three unknown numbers in AP are to be found, the most convenient way to write them…Four numbers in AP are written as a − 3d, a − d, a + d, a + 3d. What is their common…