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Let the length of the bridge be x m and that of the first train be y m (x+y)/35 = 30 x+y = 1050 Again (x+(y-130))/40 = t (x+y-130)/40 = t (1050-130)/40 = t 920/40 = t t = 23 seconds
The ratio of cost price to the marked price of an article is 5:8. The article had been marked above its cost price by Rs. 240. If the article was sold a...
A dishonest dealer professes to sell his goods at cost price, but he uses a weight of 990 gm for the kg weight. Find his gain per cent.
...A shopkeeper marked an article Rs. 900 above its cost price and sold it after giving a discount of 20% and earned a profit of 25%. Find the cost price o...
A trader sells two chains for Rs. 4100 each, neither losing nor gaining in all. If he sold one of the chains at a gain of 25%, the other was sold at a ...
A shopkeeper sells an item for ₹1,500 at a profit of 20%. If he wants to earn a profit of 25%, what should be the selling price of the item?
A shopkeeper sold an article at a discount of 12%. If he had given a discount of 8% in place of 12%, then he would have earned Rs. 108 more. If the cost...
The cost of 3 pens, 8 pencils, and 12 erasers at a stationery shop is Rs 90. At the same shop, the cost of 5 pens and 8 erasers i...
Arvind and Jagdish start a business together. The capital invested by Arvind was twice of that invested by Jagdish. At the end of six months from the st...
A dishonest seller sells goods at 10% loss on cost price but he sells 48 grams instead of 56 grams. Find the profit or loss percentage.
A merchant offers a 30% discount on the listed price of his goods and manages to secure a 40% profit on the cost. What is the ratio of the cost price to...
