For the following questions answer them individually
Three successive discounts of 20%, 20% and 30% are offered on an article. If the marked price of the article is ₹750, then what will be selling price?
The given Pie Chart (central angles are not as per any chosen scale) presents the percentage of the number of refrigerators of five different companies (with reference to the total number of refrigerators) in a hotel.
What is the difference in number of refrigerators supplied to the hotel by companies C1 and C5?
The sum of the present ages of a father and his son is 78 years. After five years, the ratio of their ages becomes 7 : 4. What is the present age (in years) of the father?
Three positive numbers are in the proportion 3 : 4 : 6. If the sum of their squares is 244, then what is the largest number?
The given Pie Chart (central angles are not as per any chosen scale) presents the percentage of the number of refrigerators of five different companies (with reference to the total number of refrigerators) in a hotel.
If the total number of refrigerators in the hotel is 3700, then what is the number of refrigerators of company C5?
What is the value of: $$\frac{12 of 3 \div 6 + 12 \times 2 - (2 \times 4 - 5)}{12 \div 3 \times 4 + (2 \times 4 - 5)}$$?
A man travels from P to Q at the speed of 60 km/h and travels from Q to P at the speed of 90 km/h. What is the average speed of the man for the whole journey?
A bag contains one rupee, 50 paise and 25 paise coins in the proportion 5 : 7 : 9. If the total amount in the bag is ₹430, then how many 25 paise coins are there?
The train crosses two platforms of lengths 1000 m and 600 m in 80 seconds and 60 seconds respectively. What is the length of the train?
The data given below presents the number of households corresponding to the number of children residing there in.
What is the difference (correct up to two decimal places) between the mean and the median of the number of children?