For the following questions answer them individually
The table given below shows the sales of two companies in 5 years.
L1 = The difference between the total sales of A and B in all years.
L2 = The value of average sales of A in all years.
What is the value of (L1 : L2)?
In a school average weight of girls and boys are 30 kg and 36 kg. If number of girls is twice of the number of boys, then what will be the average weight of all the students in school?
Compound interest (compounding annually) on a sum for 2 years is Rs.4180. If rate of interest is 20 percent per anuum, then what is the sum?
Angle subtended by a chord CD on the centre of a circle is 180 degree. If radius of this circle is 14 cm, then what will be the length of chord CD?
In $$\triangle$$XYZ, $$\angle$$Y = 90 degree and YN is perpendicular to XZ. If XY = 30 cm and XZ = 34 cm, then what is the value of YN?
Three numbers are in the ratio of 2 : 3 : 5. If the sum of the largest and the smallest number is 9800, then what is the difference of the largest and the smallest number?
Instead of increasing a number successively by 20 percent and 30 percent, it is decreased by 22 percent. Resultant value is what percentage of the required correct value?
On Selling a book at 8/15 of the marked price there is a loss of 20 percent. What will be the ratio of marked price and cost price of the book?