The following bar graph shows the percentage increase in the price of crude oil on different days of a given week compared to its price on the previous day. If the price of crude oil at the end of Friday was ₹44,800 per barrel, then what was the price (per barrel) of crude oil at the end of Thursday? |
₹44,000 ₹42,000 ₹42,500 ₹40,000 |
₹40,000 |
Let price of crude oil at end of Thursday = 100x Price of crude oil at end of Friday = 100x + 12% of 100x = 112x According to question , 112x = 44800 x = 400 100x = 100 × 400 = 40000 So , price of crude oil at the end of Thursday = 40000 |