Prelim

Question 1

Circumference of a circle

Answer 1

C=2πr

Question 2

Area of a circle

Answer 2

A=πr^2

Question 3

Area of a kite

Answer 3

A=1/2xy

Question 4

Area of a trapezium

Answer 4

1/2(a+b)h

Question 5

Simple Interest Formula

Answer 5

I=PRN

Interest = Principle x Rate x Number of periods

Question 6

Compound Interest Formula

Answer 6

A=P(1+r)^n

Future Value = Principal (1 + Rate)^Number of periods

Question 7

Define

Mode

Answer 7

The score that occurs the most in the dataset

Question 8

Define

Median

Answer 8

Middle score when all scores are arranged in ascending order.

Question 9

Define

Mean

Answer 9

Sum of the scores / Number of the scores