Two shirts are bought at the rate of Rs 400 each. Shopkeeper sells one at the profit of 150% and other at the loss of 150%. What will be the total profit or loss in the whole transaction?
The price of a movie ticket was increased in the ratio 9 : 10. What is the increase in the revenue (in Rs.) of the cinema hall, if the original fare was Rs 180 and 2200 tickets were sold.
In the given figure, PQRS is a rectangle and a semicircle with SR as diameter is drawn. A circle is drawn as shown in the figure. If QR = 7 cm, then what is the radius (in cm) of the small circle ?