For the following questions answer them individually
A man bought some toys at the rate of 112 for ₹448 and sold them at 9 toys for ₹81. Find his percentage gain.
The present ages of A and B are in the ratio 14 : 17. Eight years from now, the ratio of their ages will be 6 : 7. What is the difference (in years) between their present ages?
Let $$x$$ be the greatest 4-digit number which when divided by 9, 12, 15, 20, 24 and 72, leaves a remainder 3 in each case. What is the sum of the digits of $$x$$?
A can do a certain work in 18 days and B can do it in 30 days. They work together for 6 days. The remaining work is completed by C alone in 7 days. In how many days will A, B and C together complete the same work?
The selling price of 18 articles is same as the cost price of 28 articles. The profit or loss percentage is:
The average ages of Ajay,his wife and their child 7 years ago, was 42 years and that of Ajay's wife and their child 9 years ago was 38 years. The present age of Ajay is:
$$\frac{1}{7}$$ of a number is equal to $$\frac{2}{5}$$ of another number. What is the ratio of the first number to the second number?
A square piece of cloth has an area of 841 $$cm^{2}$$ . What is the length of each of its diagonal?
A shopkeeper gave 14% discount on the marked price of the sewing machine. Further he gave 10% discount on it. If the final selling price is 3483, then find out the marked price.