If the price of 357 apples is Rs.1517.25, what will be the approximate price of 49 dozens of such apples	Choose the correct choice from the following answers
A) rs . 2500 B) rs . 2300 C) rs . 2200 D) rs . 1400 E) none of these

Rationale: "let the required price be x more apples , more price ( direct proportion ) hence we can write as apples 357 : ( 49 × 12 ) } : : 1517.25 : x ⇒ 357 x = ( 49 × 12 ) × 1517.25 ⇒ x = ( 49 × 12 × 1517.25 ) / 357 = ( 7 × 12 × 1517.25 ) / 51 = ( 7 × 4 × 1517.25 ) / 17 = 7 × 4 × 89.25 ≈ 2500 . answer a"
Answer: A