A man bought a chair for ₹580. At what price should he sell the chair so as to gain 25%?
The population of a city in the year 2020 was 2,00,000. The rate of growth of population is 8% per annum. Find the population of that city in the year 2022.
Two pipes, D and E, can fill a cistern in 26 and 78 hours, respectively, while working alone. If the two pipes are opened together, the time taken to fill the cistern is:
\(18\tfrac{1}{4}\,\text{hours}\)
\(19\tfrac{1}{2}\,\text{hours}\)
\(18\tfrac{1}{3}\,\text{hours}\)
\(19\tfrac{1}{4}\,\text{hours}\)
The following table shows the number of laptops sold from five different stores in a city on five days of a given week.
What is the ratio of the total number of computers sold from store S on Tuesday, Monday and Sunday taken together to that sold from store P on Tuesday, Wednesday and Thursday taken together?
| Stores | Sunday | Monday | Tuesday | Wednesday | Thursday |
| P | 67 | 80 | 49 | 70 | 90 |
| Q | 80 | 56 | 55 | 85 | 54 |
| R | 56 | 48 | 50 | 80 | 40 |
| S | 68 | 74 | 78 | 70 | 95 |
| T | 100 | 52 | 90 | 86 | 84 |