Percentage
What is 10% of 400?
40
Simplify 2x - 3x + 4x - 12 x + 1
-9x + 1
12:30 in the simplest form is....
2:5
On a straight line, at a point, if one angle is 47 degrees, what is the other angle at that point?
133 degrees
If Mary has seven daughters, and each has a brother, how many kids does Mary have?
EIGHT - 7 daughters and one son
What is 15% of 50?
7.5
If A = 2b - c, find the value of A when
b = -3 and c = -2
Express in the simplest form the ratio of 6 minutes to 40 seconds.
9:1
In an isosceles triangle ABC,
angle A = angle B
angle C = 50,
find the measure of angle B.
Angle B = 65
How many sides can you see in a circle?
TWO - inside and outside.
30% of which number is 72.
240
Solve 3(x - 2) + 1 = 34
Divide $765 in the ratio 2:3
$306 and $459
I am a four sided figure with only two parallel sides.
Trapezium
81 X 9 = 801
How can you make this equation true?
By turning it upside down,
108 = 6 X 18
Alice invests $1500 for 3 years at a simple interest of 4% per annum. What is the total amount she receives at the end of 3 years?
1500 + 180 = 1680
Taylor has b blue pens.
James has 3 more blue pens than Taylor.
Miyu has twice as many blue pens as James.
If altogether, they had 93 blue pens (pen mafia), how many blue pens did James have?
James has 24 blue pens.
A rectangle has the ratio of width to length 2:3.
If the perimeter of the rectangle is 50cm, what’s the area?
Area = 150 sq cm.
What is the measure of an interior angle in a regular octagon?
135
If four chairs can be made by four men in four hours, how many chairs can be made by eight men in eight hours?
16 chairs
The value of a phone depreciates by 20% every year. If a phone costs Rs 60000 right now, how much will it cost next year?
Rs 48000