m:n = \(2\frac{1}{3} : 1\frac{1}{5}\) and n : q = \(1\frac{1}{2} : 1\frac{1}{3}\), find q : m.
The radius of a sphere is 3 cm. Find, in terms of π, its volume.
Find the value of a in the equation: cos (a + 14)° = sin (4a + 6)°
The radius and height of a solid cylinder is 8 cm and 14 cm respectively. Find, correct to two d.p the total surface area.
(Take \(\pi = \frac{22}{7})\)
A student measured the height of a pole as 5.98 m which is less than the actual height. If the percentage error is 5%, find correct to two d.p the actual height of the pole.
Find the roots of the equations: \(3m^2 – 2m – 65 = 0\)
If \(log_a 3\) = m and \(log_a 5\) = p, find \(log_a 75\)
Solve \(2^{5x} \div 2^x = \sqrt[5]{2^{10}}\)
The interior angle of a regular polygon is 6 times its exterior angle find the number of sides of the polygon.
Evaluate, correct to three decimal place \(\frac{4.314 × 0.000056}{0.0067}\)
Express \(413_7\) to base 5
For what value of x is \(\frac{ x^2 + 2 }{ 10x^2 – 13x – 3}\) is undefined?.
Simplify \(3\sqrt{12} + 10\sqrt{3} – \frac{6}{\sqrt{3}}\)
In the diagram above, M, N, R are points on the circle centre O. ∠ORN = 48° and ∠RNM = 124°. Find ∠OMN.
One-third of the sum of two numbers is 12, twice their difference is 12. Find the numbers.
The angle of elevation of the top of a building from a point Z on the ground is 50°. If the height of the building is 124 m, find the distance from Z to the foot of the building.
Mr Manu is 4 times as old as his son, Adu. 7 years ago the sum of their ages was 76. How old is Adu?
There are 30 students in a class. 15 study woodwork and 13 study metal work. 6 study neither of the 2 subjects. How many student study woodwork but not metal work?
The angle of a sector of a circle of radius 3.4 cm is 115°. Find the area of the sector.
\((Take \pi = \frac{22}{7})\)
In the diagram, O is the center of the circle QRS and ∠SQR = 28°. Find ∠ORS.