Post Utme Economics Past Questions and Answers

Question 971:

A binary operation is defined on \(R\), the set of real numbers by \(x^* y=x y+x+y\). find \(2 * 3\)

A. 20
B. 11
C. 42
D. 441

Question 972:

Simplify \(\frac{3-2 \sqrt{2}}{3+2 \sqrt{2}}\)

A. 1
B. \(17-12 \sqrt{2}\)
C. \(17+12 \sqrt{2}\)
D. \(\frac{7-12 \sqrt{2}}{17}\)

Question 973:

The numerator of fraction is 5 less than the denominator. If 6 is added to the numerator and 4 to the denominator the fraction is doubleD. What is the fraction?

A. \(2 / 7\)
B. \(5 / 8\)
C. \(3 / 8\)
D. \(-1 / 4\)

Question 974:

The total of four numbers is \(1214_{\text {five. }}\). What is their average, expressed in base five?

A. \(303.10\)
B. \(242.4 \)
C. \(141\)
D. 114

Question 975:

In how many ways can a referee choose three footballers out of twelve footballers to represent a school competition

A. 220
B. 1320
C. 6
D. 720