Question

The 10^th term from the end of the A.P. -5, -10, -15,…, -1000 is ______.

Options

• -955

• -945

• -950

• -965

Answer 1

The 10^th term from the end of the A.P. -5, -10, -15,…, -1000 is -955.

Explanation:-

Here l = -1000, d = -10 - (-5) = -10 + 5 = -5

∴ 10^th term from the end = I - (n - 1 )d

= -1000 - (10 - 1)(-5)

= -1000 + 45

= -955