Algebra
Solve for x: 2x + 5 = 11
x=3
What is the line that passes through the center of circle and touches both sides?
Diameter
Find the average (mean) of the numbers 6, 8, and 10.
8
A triangle has angles measuring 50° and 60°. What is the third angle?
70 degrees
3(x–2)+4=2x+10.
x=8
Solve for x: 5x - x = 16
x = 4
180 degrees
What is 15% of 200?
30
The value of π is approximately to 5 digits
3.14159
A man invests $5000 at 6% simple interest for 3 years. How much interest does he earn?
$900
The sum of 2 consecutive even numbers is 26. Find the two numbers?
12 & 14
What is the formula used to calculate the area of a circle?
A= π r2
A store sells 5 pencils for $2.50. How much does one pencil cost?
$0.50
What is the greatest common factor (GCF) of 18 and 24?
6
A tank is 3/5 full. After 50 liters are added, it becomes 7/8 full. What is the total capacity of the tank?
200litres
3x - 4 = 2x + 5
900 degrees
7.8 – 3.25.
4.55
If you flip a coin twice, what is the probability of getting two heads?
1/4
The average weight of 10 people is 65 kg. If one person weighing 75 kg leaves, what is the new average?
64 kg
x² + 5x + 6.
A cone has a radius of 3 cm and a height of 4 cm. What is the area of the base?
A = 28.2743338823 or 198/7 cm2
Find the simple interest on $500 for 3 years at 8% per annum.
$120
3(4+5)–22
23
The average of five numbers is 24. Four of the numbers are 18, 26, 22, and 28. What is the fifth number?
26