If P =3, R = 27, T = 243, then Q + S =
The total revenue of a company during 2014-2018 is shown in bar graph. The total expenditure of the company in each year is 500 million rupees. The aggregate profit/ loss percentage on the total expenditure of the company during 2014-2018 is ___
The figure below shows in angular ring with outer inner radii b and a. The angular space been pointed in the form of blue colour circle touching the outer and inner peripheral gular space. If maximum n number of circles can be pointed then unpainted area available in angular space is ___
π[(b2 -a2 )-n(a/2)2 ]
[(a2 – b2)-n(b/2)2]
[(b2 – a2)-n ((b-a)/2)2]
The straight lines are drawn perpendicular to each other in the XY plane. The angle and are acute angles made by line as with x-axis then α+ β =?