11). The difference between compound interest and simple interest for 2 years at the rate of 10% over principal amount of z X is z 10. What is the value of X ?
| A). RS.100 |
| B). RS.1,000 |
| C). RS.500 |
| D). RS.5,000 |
|
12). A sum of money becomes 3 times in 5 years at simple interest. In how many year will the same sum become 6 times at the same rate of simple interest? (
| A). 10 years |
| B). 12 years |
| C). 12.5 years |
| D). 10.5 years |
|
13). A man buys 200 oranges for Rs.1,000. How many oranges for Rs.100 can he sell to that his profit percentage is 25%?
| A). 10 |
| B). 14 |
| C). 16 |
| D). 20 |
|
14). If m% of m + n =2% of (m X n), then what percentage of m is n ?
| A). 50% |
| B). 75% |
| C). 100% |
| D). Cannot be determined due to insufficient data |
|
15). If the side of a cube is increased by 100% then by what percentage is the surface area of the cube increased?
| A). 150% |
| B). 200% |
| C). 300% |
| D). 400% |
|
16). How many pairs. M p positive integers \( m\) and \( n\) satisfy the equation \( \Large \frac{1}{m} \)+\( \Large \frac{4}{n} \)= \( \Large \frac{1}{12} \)
Where \( n\) is an odd integer less than 60?
|
17). The sides of a triangle are in the ratio \( \Large \frac{1}{2} \) : \( \Large \frac{1}{3} \) : \( \Large \frac{1}{4} \) If its perimeter is 52 cm, then what is the length of the smallest side?
| A). 9 cm |
| B). 10 cm |
| C). 11 cm |
| D). 12 cm |
|
18). The diameter of a metallic sphere is 6 cm. The sphere is melted and drawn into a wire of uniform circular cross-section. If the length of the wire is 36 m, then what is its radius equal to ?
| A). 0.1 cm |
| B). 0.01 cm |
| C). 0.001 cm |
| D). 1.0 cm |
|
19). Consider all those two-digit positive integers less than 50, which when divided by 4 yield unity as remainder. What is their sum?
| A). 310 |
| B). 314 |
| C). 318 |
| D). 323 |
|
20). If every side of an equilateral triangle is doubled. then the area of new triangle becomes I: times the area of the old one. What is h equal to ?
| A). \( \sqrt{3}\) |
| B). 2 |
| C). 4 |
| D). 8 |
|
