Question
The average score of Neha in 5 subjects was recorded as 62.
However, her marks in Science and History were mistakenly entered as 49 and 60 instead of 59 and 72. What is her correct average score?Solution
ATQ,
Sum of marks according to wrong data = 62 × 5 = 310
Correct total marks = 310 - (49 + 60) + (59 + 72) = 332
Actual average marks = 332 ÷ 5 = 66.4
An article is marked (p+15)% above its cost price. While selling the same article (p-20)% discount was given on it. The amount of discount given on the ...
Cost price of an article A is Rs. 400 less than that of B. A and B are marked 40% and 20% above their cost price respectively. A and B are sold after a...
- Neha bought a designer dress for Rs. 12,600 and later sold it to her friend for Rs. 14,112. How much profit percent did she make?
A trader bought two laptops at a certain amount. He sold the first laptop at a 50% profit and the second laptop at a 10% loss. If the selling price of e...
A & B jointly made a profit of Rs.1650 and they decided to share it such that 1/3 of A's profit is equal to 2/5 of B's profit. Then profit of B is
- The price of a sofa is marked at Rs. 5600. It is sold after allowing successive discounts of 20% and 10%. Determine the final selling price.
Axe and Wye purchases the Bikes at same price and later on Zed purchase both the bikes at the same price of Rs. 72000. But the profit % of Axe was A% wh...
A shopkeeper sold a fridge for Rs. 1200, making a 20% gain. The fridge was marked at Rs. 1400. What was the discount he provided to make only 10% profit?
The sum of the cost prices of two articles, 'G' and 'H', is Rs. 600. Both articles are marked up by 55%, whereas the marked price of article 'H' is Rs. ...
A trader purchased 100 identical items for a total of ₹20,000. He sold 40% of the items at a profit of 25% and the remaining items at a loss of 15%. D...
Relevant for Exams:
