Question
The average weight of 32 dogs was
initially computed to be 45 kg. However, it was later discovered that the weights of two dogs were incorrectly recorded as 47 kg and 64 kg instead of their actual weights of 70 kg and 57 kg. Determine the corrected average weight.Solution
ATQ, Sum of weight of 32 dogs calculated, initially = 32 × 45 = 1440 Corrected sum = 1440 – 47 – 64 + 70 + 57 = 1456 Therefore, required average = 1456/32 = 45.5 kg
A merchant sold four types of products P, Q, R, and S. He sold products P and Q in the ratio of 3:4, while he sold products R and P in the ratio of 7:3....
A and B together started a business with initial investment in the ratio of 3:5, respectively. The time-period of investment for A and B is in the ratio...
Ratio of cost price of article ‘X’ and article ‘Y’ is 4:7, respectively. Profit percentage earned on selling article ‘X’ is same as loss per...
A shopkeeper purchases rice of two varieties ‘A’ and ‘B’ at Rs. 30 per kg and Rs. 21 per kg respectively. He mixes 1 kg of variety ‘A’ rice ...
- A businessman offers a 40% discount on the marked price of a clothing item and still makes a profit of 20%. If his profit amounts to Rs. 600, what is the m...
- Sanya purchased a microwave oven and increased its price by 55% above the cost price. She sold it after offering a 25% discount for Rs. 1500. What would be...
A shopkeeper sold an article A at 20% gain and another article B at 20% loss. Find her overall gain or loss percent if selling price of both articles we...
The listed price of a laptop is Rs. 25,000. A retailer sold it after offering 12% discount and making a profit of 25%. What is the difference between th...
Find the profit percentage earned on a school bag if it was sold at Rs.1746 after offering a discount of 10% and the marked price of a school bag is Rs....
The sale price of an item is set at 30% above the cost price. After giving a 10% discount on the marked price, what is the merchant’s profit percentag...
Relevant for Exams:
