Question

If a, b, c, d , e, f are in A.P., then e – c is equal to

• A. 2(c – a)
• B. 2(d – c)
• C. 2(f – d)
• D. d – c

Answer 1

Answer: (B)

2(d – c)

Answer 2

Let a = 1, b = 2, c = 3, d = 4, e = 5

so (e – c) = (5 – 3) = 2

option (2) is 2(d – c) = 2(4 – 3) = 2 × 1 = 2