In a quiz, 40 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth Rs. 2500 and Rs. 1500, respectively. If the total prize money is Rs. 85,000, then (i) the equation formed is (ii) the number of 1st prizes are (iii) the number of 2nd prizes are

• A. (i) (ii) (iii) \[2500x+1500(40-x)=85000\] 25 15
• B. (i) (ii) (iii) \[2500x-1500(40-x)=85000\] 36 4
• C. (i) (ii) (iii) \[2500x\times 1500(x-40)=85000\] 20 20
• D. (i) (ii) (iii) \[2500x-1500(x-40)=85000\] 15 25