Post Utme Mathematics Past Questions and Answers

Question 316:

A varies inversely as the square root of B. if A = 1 and B =1/6, find B when A = 1/8

A. 10.7
B. 15.6
C. 3.2
D. 4.6

Question 317:

The lengths of the sides of a right-angle triangle are (3x +1) \(\mathrm{cm},(3 x-1) \mathrm{cm}\) and x cm. Find X

A. O
B. 6
C. 18
D. 12

Question 318:

Given two sets x and y. n(x) =15 and n(y)=10. The universal set =20. Find the value of \(n(A \cap B)\) (i.e. the smallest possible value).

A. 10
B. 6
C. 5
D. 7

Question 319:

The sum of the roots of a quadratic equation is 5 / 2 and the product of its roots is 4 . The quadratic equation is ____________

A. \(2 x^{2}+5 x+8=0\)
B. \(2 x^{2}-5 x+8=0\)
C. \(2 x^{2}-8 x+5=0\)
D. \(2 x^{2}-8 x-5=0\)

Question 320:

Find the range of the following fraction 1 / 6,1 / 3,3 / 2,2 / 3,8 / 9 and 4 / 3

A. 5 / 6
B. 3 / 4
C. 4 / 3
D. 7 / 6