Post Utme Mathematics Past Questions and Answers

Question 371:

Evaluate \(21.05347-1.6324 \times 0.43\), to 3 decimal places ____________

A. \(20.351\)
B. \(20.352\)
C. \(20.980\)
D. \(20.981\)

Question 372:

Evaluate \((0.14)^{2} \times \frac{0.275}{7(0.02)}\) correct to 3 decimal places

A. \(0.033\)
B. \(0.039\)
C. \(0.308\)
D. \(0.358\)

Question 373:

Given that \(p=1+\sqrt{2}\) and \(q=1-\sqrt{2}\), evaluate \(\left(p^{2}-q^{3} \right) 2 P A\)

A. \(-2(2-\sqrt{2})\)
B. \(2(2+\sqrt{2})\)
C. \(-2 \sqrt{2}\)
D. \(2 \sqrt{2}\)

Question 374:

A cylindrical tank has a capacity of \(3080 \mathrm{~m}^{3}\) what is the depth of the tank if the diameter of its back is \(14 \mathrm{~m}\) ?

A. \(20 \mathrm{~m}\)
B. \(22 \mathrm{~m}\)
C. \(23 \mathrm{~m}\)
D. \(25 \mathrm{~m}\)

Question 375:

A sector of a circle of, radlus of 7.2em which subtends an angle 3000 at the centre is used to form a cone. What is the radius of the base of the cone?

A. \(6 \mathrm{~cm}\)
B. \(7 \mathrm{~cm}\)
C. \(8 \mathrm{~cm}\)
D. \(9 \mathrm{~cm}\)