Question
A student scores an average of 55 marks in the first 4
exams. To get an average of 70 marks over 8 exams, what should be his average score in the remaining exams?Solution
ATQ,
Total marks required = 70 × 8 = 560
Marks obtained in 4 exams = 55 × 4 = 220
Required marks = 560 - 220 = 340
Required average score in remaining exams = 340 ÷ 4 = 85 marks
Furniture is marked 90% above its cost price, which makes the marked price Rs. 2,700 more than its cost price. If sold for a profit of Rs. 1,200, find t...
After selling 45% of the items, Neha is left with 30 fewer than 80% of the number of items she initially had. Find the number of ...
A fruit vendor sold 'N' kg of mangoes at ₹120/kg. If he purchased the mangoes at ₹(5N - 4)/kg, then his profit percentage is 25%. Find the loss perc...
A school bag is sold for Rs.450 after giving two successive discounts of 20% and 25%. If school bag is marked up by Rs.400 above its cost price, then fi...
A person earn 18% profit on the marked price. If he quadruple the marked price but gave 40% discount on the new marked price then how much percentage of...
'A' sold an article whose cost price is Rs. 'Y', at a profit of 25% to 'B'. 'B' marked the price of the article 25% above the price at which he bought i...
A shopkeeper marked an article Rs. 540 above its cost price and sold it after giving a discount of 25% and earned a profit of 35%. Find the cost price o...
Amit makes 900 articles at a cost of 40 paise/article. He fixed the selling price such that if only 500 articles are sold, he would have made profit of ...
A tradesman gives 6% discount on the market price and gives 1 article free for buying every 11 articles and thus gains 30%. The marked price is approxim...
Profit percentage earned on selling article 'G' is the same as the percentage loss incurred on selling article 'H'. If the cost price of article 'G' is ...