For the following questions answer them individually
A lady spends 20 percent of her total income on house rent, and 75 percent of the rest on household items. If she saves ₹600, then what is her income?
Anil and Bablu can do a given piece of work in 50 days, Bablu and Candy can do the same work in 60 days, and Anil, Bablu, and Candy complete it in 30 days. Find the number of days required by Bablu to finish the total work.
The population of a country increases by 8% in the first year, depreciates by 10% in the second year and again increases by 6% in the third year. If the present population is 6 crore, find the population growth after 3 years.
If a conical vessel has a radius of 4 cm and volume of $$16 \pi$$ cm$$^3$$, then its curved surface area is:
A buys 150 gm gold for Rs.6,00,000 and gives 6% as making charges. What should be the selling price per 10 gm to have a profit of 6%?
A and B alone take 4 and 6 hours, respectively, to complete a certain work. If they work alternatively each hour, starting with A first, how long will it take them to complete the work?
The marked price of a product is Rs. 1000. If it is sold at 7 percent discount and the dealer earns 50 percent profit, then what is the cost price of the product?
The average of the following numbers is 25. Find the value of X. 24, 30, 12, 18, 20, 10, 40, X
Find the total surface area of a cylindrical container with lid, whose base diameter is k cm, and height $$\frac{k}{2}$$ cm (in cm$$^2$$).