Quantitative Aptitude
There are 48 students in a class. Their average weight is 48 kg. When one student leaves the class, the average weight reduces by 200 grams. What is the weight of the student who left the class?
Following marks are obtained by a student in five subjects.
| Subjects | Marks (out of 50) |
| CS | 49 |
| History | 41 |
| English | 49 |
| Science | 44 |
| Social Science | 47 |
What is the percentage of marks scored by the student?
Simplify
\(3\tfrac{2}{7} + 3\tfrac{2}{11} \times 3\tfrac{1}{7} \div 4\tfrac{1}{3}\)
\(7\tfrac{54}{91}\)
\(9\tfrac{54}{91}\)
\(5\tfrac{54}{91}\)
\(3\tfrac{54}{91}\)
A deposited Rs.62,500 at the rate of 8% per annum compounded half yearly, then what is the compound interest at the end of the two years?
There are two varieties of rice. Variety 1 costs ₹100 per kg and variety 2 costs ₹120 per kg. The vendor mixed both the varieties and sold for ₹121 per kg and gained 10%. Find the ratio of variety 1 to variety 2 rice in the mixture.
Vinita obtained an amount of ₹23,340 as simple interest on a certain amount at 15% per annum after 8 years. What was the amount invested by Vinita?