Consumer Arithmetic
What does the 'P' in the Simple Interest formula represent?
Principal
Share $700 between John and Mary equally
350 each
What is 5x + 4x
9x
3y2 * 2y2
6y4
What is the formula to calculate area of a circle?
pi x r2
In the Simple Interest Formula, 'T' represents time, which is normally calculated in:
Years
One egg cost $12. How much does a dozen eggs cost?
$12 x 12 eggs = $144
what is 5x * 4x
20x2
23 + 52 - 100
32
What is the radius of a circle with diameter 10m
5m
What is the Simple Interest on $100 invested for 1 years at 3% per annum
$3
10 pens cost $100. Find the cost of 1 pen
$10
If a = 1, b =2 = and c = -3, what is a + b + c
0
14y2 /7y
2y
The area of a semicircle [half circle] is 12m2
What is the area of the full circle?
24m2
A man earns 15% commission on a car sold for $1000.
Calculate the amount of money he recieved.
$150
$400 is shared between John, Tom and Harry in the ratio 2:3:3.
How much does John collect?
$100
Simplify:
3y + 5x - 4y + 6x
11x - y
[X2]3
X6
How do you find the perimeter of a circle?
2 x pi x r
A doctor works $125 per month before tax.
What is his gross annaul salary?
125 x 12 = 1500
Share 1800 in the ratio 1:2:3
1 = 300
2 = 600
3 = 900
Simplify
3x2 + 5x + 4 - x2 + 5
2x2 +5x + 9
S2 x Y2 x R2
S2Y2R2
The Perimeter of a semicircle [half of a circle] is 150m.
What is the perimeter of that circle?
300m