Mathematics Past Questions and Answers

The four interior angles of a quadrilateral are (x + 20) ^o, (x+ 10) ^o (2x - 45) ^o and (x - 25) ^o. Find the value of x

A 60
B 80
C 100
D 360

Question 872:

Calculate the value of y in the diagram

A 17
B 34
C 44
D 45

Question 873:

Out of 60 members of an Association, 15 are Doctors and 9 are Lawyers. If a member is selected at random from the Association, what is the probability that the member is neither a Doctor Nor a Lawyer

A \(\frac{3}{5}\)
B \(\frac{9}{10}\)
C \(\frac{3}{20}\)
D \(\frac{1}{4}\)

Question 874:

Find the values of x for which \( \frac{1}{2x^2 - 13x +15} \) is not defined,

A 5 or \( \frac{3}{2} \)
B 1 or \( \frac{15}{13} \)
C 2 or 15
D 13 or 15

Question 875:

In the diagram, \(P\hat{Q}S = 65^o, R\hat{P}S = 40^2\hspace{1mm}and\hspace{1mm}Q\hat{S}R=20^o\hspace{1mm}P\hat{S}Q\)

A 85^o
B 60^o
C 55^o
D 45^o