Mathematics Past Questions and Answers

Express 16.54 x 10\(^{-5}\) - 6.76 x 10\(^{-8}\) + 0.23 x 10\(^{-6}\) in standard form

A 1.66 x 10\(^{-4}\)
B 1.66 x 10\(^{-5}\)
C 1.65 x 10\(^{-5}\)
D 1.65 x 10\(^{-4}\)

Question 2:

The graph above depicts the performance ratings of two sports teams A and B in five different seasons

In the last five seasons, what was the difference in the average performance ratings between Team B and Team A?

A 1.2
B 6.4
C 4.6
D 1.8

Question 3:

A student is using a graduated cylinder to measure the volume of water and reports a reading of 18 mL. The teacher reports the value as 18.4 mL. What is the student's percent error?

A 2.17%
B 1.73%
C 2.23%
D 1.96%

Question 4:

The difference between an exterior angle of (n - 1) sided regular polygon and an exterior angle of (n + 2) sided regular polygon is 6\(^o\), then the value of "n" is

A 11
B 13
C 12
D 14

Question 5:

Two dice are tossed. What is the probability that the total score is a prime number.

A \(\frac{5}{12}\)
B \(\frac{5}{9}\)
C \(\frac{1}{6}\)
D \(\frac{1}{3}\)