Question

The 20^th term of an A.P, whose first term is – 2 and the common difference is 4, is ______.

Options

• 78

• 74

• – 36

• – 34

Answer 1

The 20^th term of an A.P, whose first term is – 2 and the common difference is 4, is 74.

Explanation:

a_n = a + (n – 1) d

a₂₀ = – 2 + 19 × 4 = 74