For the following questions answer them individually
If a person purchases an item at ₹3,000 and he sells it at 10% profit, then find the selling price of the item.
Vijay sold a watch at a loss of 50%. If the loss is ₹2,400, then what is the selling price of the watch?
Two cubes, each having a total surface area of 150 $$cm^{2}$$, are joined together to form a cuboid. Find the total surface area of the resulting cuboid.
The following bar chart shows the number of pens (in '000s) sold by 6 different shops during a given year.
If the cost of each pen is ₹4.50, then what is the average revenue earned per shop?
The product of two numbers is 1296. If the highest common factor of the two numbers is 12, then what is the least common multiple of the two numbers?
What is the value of $$\frac{\frac{5}{11} \div \frac{7}{25} \times \frac{33}{28} + \frac{5}{12} \times \frac{2}{3} \div \frac{25}{27}}{\frac{6}{11} \times \frac{5}{12} \div \frac{15}{44}}$$?
A bag contains coins of ₹1, ₹2 and ₹5 in the ratio 5 : 10 : 6 respectively. The total amount in the bag is ₹275. How many ₹5 coins are in the bag?
The simple interest on a sum deposited at 10% p.a. for 4 years is ₹20,000. What will be the compound interest on the same sum at half of the above rate of interest for 2 years, interest compounded yearly?
The ratio of A and B in an alloy is 2 : 5. If the alloy is made of only A and B, how much amount of B will be there in 210 kg of that alloy?
The length of a rectangle is 4 ti.mes of its breadth. If the area of the rectangle is 576 $$cm^{2}$$, then what is the perimeter of this rectangle?