Q1 of 40 Page 1

The exponent of 2 in the prime factorization of 144, is

144 = 12 × 12 = 4 × 3 × 4 × 3 = 2² × 3 × 2² × 3 = 2⁴ × 3²

The common difference of an AP, whose n^th term is a_n = (3n + 7), is

The HCF of 135 and 225 is

If ΔABC ~ DEF such that AB = 1.2 mm and DE = 1.4 cm, the ratio of the areas of ΔABC and Δ DEF is

The value of λ for which (x² + 4x + λ) is a perfect square, is