Common Entrance Mathematics (Sapphire)

How many seconds are there in 8 minutes 12 seconds?

There are 750 students in a college. If 70% of them are girls, how many are boys?

Correct 0.006678 to 3 decimal

In a village the people infected with HIV in 2001 were 100. In 2004, 250 people were infected. Find the ratio of the infected in 2001 to those infected in 2004

The ratio of the length to breadth of a room is 7:5. Find the length of the room, if the breath is 10m

If a = 8 and b = 6, what is the value of a²  – b² ?

Increase 80 by 10%

Odiri bought 12 cartons of biscuit for ₦3,000.00. Find the cost of 7 cartons.

Reduce 36/100 to its lowest term.

A man earns ₦5000,00 for 10 days work. How should he earn in 154 days, if working at the same rate?

Find the simple interest on ₦600.00 for 5 years at 8% per annum

If 400g : 1kg, find the ratio in the simplest form.

If 8 children ate a create of egg in 12 days how long will 6 children take to eat same create of egg, if they eat the same rate?

Simplify 2x – x +4x

Convert 0.025 to decimal fraction

Find L.C.M of 12 and 16

How many hours and minutes are there between 9:30am and 1.50pm

If x = 4, y = 1 and z = 2, find the value of

Find the value of x in the equation

3x + 1 = x +9.

If 4x²– 3 = 1, which of the following is a value of x

If 2:7 is expressed in the form 4:x, find the value of x

What is the ratio of 12 minutes to hour?

Solve the equation 10y – 7 = 27

Find the circumference of a circle whose radius is 7cm (Take π = 22/7)

Calculate the area of a triangle whose height is 8cm and base is 6cm

In the diagram below, find the value of y.  diagram not drawn to  scale

Find the value of t in the equation below

3t – 5 = t +15

Solve for n if

Find the value of x in the equation:

5x – 3 = 2x +12

The area of a square field is 100m². What is the perimeter of the field?

Find the area of the shaded portion in the diagram below. Diagram not drawn to scale.

A girl is 12years old now. What was her age x year ago?

Solve 7x – 5 = 2

In an examination, a boy spent x minutes part A and 15 minutes in part b. how many minutes did he use for the whole examination?

Find the perimeter of a circle of radius 7cm (Take π 22/7)

A car uses 10 liters of fuel for journey of 40km on the average. What distance will 25 litres cover with the same car and same speed?

A square has how many lines of symmetry?

The marks scored in a test by ten pupils are as follows:

15,14,15,13,16,16,17,13,16,17.

find the Mode?

The average of 6, 10, x 20 and 30 is 18. What is the value of x

The symbol below is used to

Which of the following is constituents of granite?

When the moon comes in between the sun and the earth, it results in…………..?

An organ acid found in milk is………?

In man, urine is passed out of the body through a tube called………..?

Which of the following insects is an agent of pollination?

Hands and feet are made up of small bones called?

The following are effect of heat of substance except

Which of the following force a body failing from a height?

Which of the following is carbohydrate?