A man gets a discount of 30% and then 20% on his food bill of Rs. 1,500. How much discount, in rupees, did he get?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 660
|
Concept |
Understanding |
Application |
|
SP = MP × (100 – discount)/100 |
Given MP = 1500 And Discount of 30% and 20% are provided successively. |
SP = 1500 × (100 – 30)/100 × (100 – 20)/100 ⇒ SP = 1500 × 0.7 × 0.8 ⇒ SP = 1500 × 0.56 ⇒ MP = 840 Hence, discount = 1500 – 840 = Rs. 660 |