A bucket holds 10 litres of waters. How many buckets of water will fill a reservoir of size 8m × 7m × 5m(1 litres = 1000cm³)

Each of the interior angle of a regular polygon is 140^o. Calculate the sum of all the interior angles of the polygon

In the diagram, angle 200^o is subtended at the centre of the circle. Find the value of x

If c and k are roots of $6-x-{{x}^{2}}=0$, find c + k

If x is a positive integer, list the values of x which satisfy the equation $3x-4<6$ and $x-1>0$

Solve $\frac{2x+1}{6}-\frac{3x-1}{4}=0$

An arc of a circle subtends an angle of 60^o at the centre. If the radius of the circle 3cm, find in terms of π, the length of the arc

The capacity of a water tank is 1,800 litres. If the tank is in the form of a cuboid with base 600cm by 150cm, find the height of the tank

If 85% of x is N3230, what is the value of x

If ${{9}^{2x}}=\tfrac{1}{3}({{27}^{x}})$ find x