What per cent of

(a) 64 is 148.48?

(b) 75 is 1225?

(a) Let x% of 64 = 148.48

∴ (x / 100) × 64 = 148.48

∴ x = (148.48 × 100) / 64 = 232%

Hence, the required Percentage = 232%.

(b) Let x% of 75 = 1225

(x / 100) × 75 = 1225

⇒ x = (1225 × 100) / 75 = 1633.3%

Hence, the required Percentage = 1633.3%.