For the following questions answer them individually
A shopkeeper marks the price of an article 25 % above its cost price. After allowing 10% discount on the market price, the article is sold for ₹720. What is the difference (in ₹) between the cost price and market price of the article?
How many spherical balls each of 2cm radius can be made out of a solid metallic cube of edge 44 cm?(Take $$\pi = \frac{22}{7}$$)
A sum of ₹6900 waslent partly at 5% and the rest at 8% simple interest. Total interest received after 3 years from both was ₹1359. What was the ratio of moneylent at 5% and 8%?
The average ages of boys and girls in a class is 14.5 years and 15 years respectively. If the ratio of the number of boys and girls is 2 : 3, then whatis the average age(in years) of all students in the class?
Note-books are bought at 16 for ₹700 and sold at 11 for ₹500. How many notebooks should be sold to gain ₹450?
The compound interest on a sum of ₹15800 for 2 years at 9% per annum, when the interest is compound 8 monthly,is (nearest to a rupee):
Amina saves 16% of her income. Now her income is increased by 20 % but she still saves the same amount as before. What is the percentage increase in her expenditure?
Walking at 75% of his usual speed, Raghu is 80 minutes late to his office. What is his usual time in hours to cover the same distance?
A can do $$\frac{3}{5}th$$ of a work in 12 days, B can do $$\frac{1}{3}rd$$ of that work in 15 days. They worked together for 12 days and then A left the work , B alone will complete the remaining work in?
Study the following table, (which shows the number of units of an item manufactured and sold by 5 companies) and answer the question.
Which Company sold the highest percentage of units as compared to manufactured by it?