After getting two successive discounts Rupa got a dress at Rs. 1619.20, whose marked price is Rs. 2000. If the second discount is 8 percent, then the first discount is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 12 percent.
M.P. = Rs.2000
⇒ 2000 × 92% × (100 - x)% = 1619.20
⇒ 2000 × 92/100 × (100 - x)/100 = 1619.20
⇒ 2 × 92 × (100 - x) = 16192
⇒ 100 - x = 88
⇒ x = 100 - 88 = 12%