Quantitative Aptitude
Find the area of an equilateral triangle, each of whose sides measures 12 cm.
\(36\sqrt{3}\ \text{cm}^2\)
\(3\sqrt{3}\ \text{cm}^2\)
\(\frac{36}{\sqrt{3}}\ \text{cm}^2\)
\(\frac{72}{\sqrt{3}}\ \text{cm}^2\)
The radius and the height of a right circular cone are in the ratio 3 : 4. If its volume is 301.44 cm3, find the slant height. \(\text{(use } \pi = 3.14\text{)}\)
A manufacturer earns a profit of 10% on selling his products to a wholesale dealer. The wholesale dealer earns a profit of 15% by selling it to a retailer. The retailer, in turn, earns a profit of 25% from the customer. What is the actual cost of production of an article for which the customer pays ₹12,650?
Number of eggs produced by five farms:
| Year | Farm | ||||
| L | M | N | O | P | |
| 2019 | 825 | 925 | 670 | 740 | 480 |
| 2020 | 928 | 768 | 781 | 530 | 864 |
| 2021 | 765 | 635 | 922 | 515 | 940 |
| 2022 | 832 | 526 | 623 | 618 | 745 |
What is the respective ratio of the dozens of eggs produced by farm M to farm P in the year 2020?
By selling a TV set for ₹16,800, a salesman gains a profit of 20%. If the production cost is increased by 20%, find the new selling price of the set so as to gain 20%
A mixture contains milk and water in the ratio 9 : 7. If it contains 4 litres more milk than water, then find the quantity of milk (in litres) in the mixture.