An arc of a circle of radius 14cm subtends angle 300^o at the centre. Find the perimeter of the sector formed by the arc (Take$\pi =\tfrac{22}{7}$)

What is the total surface area of a closed cylinder of height 10cm and diameter 7cm (Take $\pi =\tfrac{22}{7}$)

Find the mean of the numbers 1, 3, 4, 8, 8, 4 and 7

The figure shows a quadrilateral PQRS having equal sizes and opposites sides parallel. The diagonal PR  and OS intersected perpendicularly at O, which of the following statements cannot be correct

Given that one of the roots of the equation $2{{x}^{2}}+(k+2)x+k=0$ is 2. Find the value of k

A sequence is given 2 ½ , 5, 7½….. if the nth term is 25. Find n

If ${{\log }_{9}}x=1.5$ find x

In the diagram O is the centre of the circle, $\angle MON={{80}^{\circ }}$ $\angle LMO={{10}^{\circ }}$ and $\angle LNO={{15}^{{}^\circ }}$.Calculate the value of x

Solve the equation $\frac{2y-1}{3}-\frac{3y-1}{4}=1$

Solve for y in the equations

$2x-3y=22$

$3x+2y=7$