Quantitative Aptitude
What is the value of \( \frac{84 \div 12 \times 3 - 4 \div 12 \times 9 + 5 \times 6 - 2 \times 3}{8 \div 12 \times 3} \) ?
The following pie chart shows the sectors representing the shares of the number of lights manufactured in a given year by each of six different factories in terms of the central angles (in degrees) with respect to the total number of lights manufactured in that year by all the six factories taken together.
If the total number of lights manufactured in that year by the 6 factories taken together is 1840, then what is the difference between the numbers of lights manufactured by F5 and F1 ?
The total surface area of a closed hemisphere is 4158 sq.cm . What is the diameter of the hemisphere?\( \text{use } \pi = \frac{22}{7} \)
The total surface area of a closed cube is 1350 cm2 . What is the length of each side of this cube?