- A5, 7, 9, 11
- B4, 6, 10, 12
- C−1, 5, 11, 17
- D2, 6, 10, 14
Step-by-Step Solution
Take gives , so . Numbers: 2, 6, 10, 14 (28 : 60 = 7 : 15).
Answer: D) 2, 6, 10, 14
Four numbers in AP add up to 32, and the product of the first and last is to the product of the two middle ones as 7 : 15. Find the numbers.
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
If p, q, r are in AP, which of these is also always in AP?Rahul writes four numbers in AP as a − 2d, a − d, a + d, a + 2d. What is wrong with his…On a number line the points −4, P, Q, R and 16 are equally spaced, in that order. What…An AP has 20 terms. The 5th term from the beginning plus the 5th term from the end is…Find k if k^2 + 4k + 8, 2k^2 + 3k + 6 and 3k^2 + 4k + 4 are consecutive terms of an AP.