A circle has a circumference of 20 units, find its diameter (in units).

a. 30

b. 20

c. 40

d. 10

The sum of relative frequency is equal to ____________.

a. 0

b. 50

c. 1

d. 100

Man will enclose a rectangular portion of his field. If the enclosures is 120m long and 50 m wide, with a 2m opening allotted for the entrance, how maby meters of fencing will he use?

a. 338

b. 340

c. 168

d. 170

If cupcakes are sold at 3 pieces for P50.00, how much will be paid for 3 dozen?

a. 525

b. 552

c. 700

d. 750

The population of a certain city doubles every six months. If the current population is 13 120, what was the population 3 years ago?

a. 205

b. 1 640

c. 820

d. 410

Careful measurements show that the actual time for a student to solve the six easy math problems are: 4.02, 3.98, 4.01, 4.05, 3.97 and 4.03. Identify the median of the distribution.

a. 4.015

b. 4.02

c. 4. 15

d. 4.01

Which of the following statements is true?

a. The mean is the balance point of the distribution because the sum of the distances below the mean is exactly equal to the sum of the distances above the mean.

b. Modifying a distribution by discarding scores or by adding new scores will usually change the value of the median.

c. Changing the value of any score will change the value of the mean, median and mode.

d. If a constant value is added to every score in a distribution, then the same constant value is added to the central tendency.

Which of the following is NOT a proposition?

a. Pick an even number which is less than 12.

b. Four increased by five is less than 12.

c. Six and 12 are both even numbers.

d. The number 10 is even and less than 12.