The number having white colour motorcycle = 18% ⇒ The number having blue colour motorcycle = 21% ⇒ Difference of white and blue colour motorcycle = (21 – 18)% = 3% ⇒ The number having white colour is less than the blue colour motorcycle = 3% × 2300 = 69 ∴ The number having white colour is 69 less than those having the blue colour motorcycle.