Reena buys an iron for ₹900 and sells it at a loss of 12%. What is the selling price of the iron?
The expenses of painting the inner curved surface of a cylindrical vessel 20m deep is Rs.4400. If the painting rate is Rs.40 per m2 , find the total surface area (in m2) of the vessel correct to two decimal places.\(\text{(use } \pi = \frac{22}{7}\text{)}\)
A hemispherical bowl is made of 1cm thick copper. The inner radius of the bowl is 6cm. Find the cost to paint the outer curved surface area of the bowl, if the paint cost is Rs.2 per cm2 ?\(\text{(use } \pi = \frac{22}{7}\text{)}\)
Find the gain %, given that Nidhi sold her scooter for Rs.80,442 gaining \(\frac{1}{6}\)th of the selling price.
The given table shows the number of employees in three organisations during three years.
| Organisation | Year | ||
| 2015 | 2016 | 2017 | |
| L | 1421 | 1230 | 1652 |
| M | 1459 | 1825 | 1740 |
| N | 1620 | 1125 | 1235 |
What is the respective ratio between the total number of employees in organisations L and M together in 2015, and the total number of employees in organisations M and N together in 2017?