For the following questions answer them individually
What is the value of $$\frac{1+x}{1-x^{2}} \div \frac{1+x}{1-x^{4}} - \frac{1-x^{2}}{1-x} \times \frac{(1+x)}{1-x^{2}}$$?
The pie chart given below show the runs scored by a batsman in five innings. Total runs scored by a batsman in all these five innings are 600. Runs scored by batsman in a particular inning is shown as a percentage of runs scored in all these five innings.
Runs scored in innings A is how much percent of runs scored in innings D?
Shivam purchased two watches, first for Rs. 12000 and the second for Rs. 20,000. He sold both the watches, first one at the profit of 10 percent and the second at a loss of 20 percent. What is the overall profit or loss?
Excluding stoppages, the speed of a bus is 60 kmph and including stoppages, it is 54 kmph. For how many minutes does the bus stop per hour?
The salary of an employee increases consistently by 20% every year. If his salary today is Rs. 14,000. What will be his salary after 3 years?
If sum of squares of two real numbers is 12 and the product of the numbers is 4, find the difference between the numbers.
Find the length of the arc if the angle at the centre of the circle of radius 7 units is $$60^{\circ}$$
Marked price of a computer is Rs.80000. It is sold for Rs.65280 after two successive discounts. If one of the discount is 15 percent then what is the value of other discount?