For the following questions answer them individually
Present ages of Sai and Satheesh are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Satheesh's present age in years?
The minimum number of straight lines required to construct the given figure is ..........
Name the Indian entrepreneur, co-founder and owner of India’s low cost airline SpiceJet.
If a person bought an item for ₹ 60 and soldit at a profit of 25%, the selling price of the item would be:
A shuttle cock used for playing badminton has the shape of a frustum of a cone mounted on a hemisphere. The external diameters of the frustum are 5 cm and 2 cm,the height of the entire shuttle cock is 7 cm. Find the external surface area.