Post Utme Mathematics Past Questions and Answers

Question 381:

A trade in country where their currency MONT \((\mathrm{M})\) is in base five bought \(103(\mathrm{~s})\) oranges at \(M 14(\mathrm{~s})\) each. If the sold the oranges at M12, each, what will be his gain?

A. \(\mathrm{M} 103\) (s)
B. \(\mathrm{M} 1030(\mathrm{~s})\)
C. \(\mathrm{M} 102\) (s)
D. \(\mathrm{M2002(s)}\)
E. \(\mathrm{M} 3032(\mathrm{~s})\)

Question 382:

Simply \(\frac{3 n \times 3 n-4}{3^{3} \times 3^{n} 27 \times 3^{n-1}}\)

A. 1
B. O
C. \(1.27\)
D. \(2 \mathrm{~N}-3 \mathrm{~N}-1\)

Question 383:

P varies directly as the square of \(q\) and Inversely as \(r\). If \(p=36\), when \(\dot{q}=3\) and \(r=p\), find \(p\) when \(q=5\) and \(r=2\)

A. 72
B. 100
C. 90
D. 200
E. \(125.2\)

Question 384:

Factorize \(6 x^{2}-14 x-12\)

A. \(2(x+3)(3 x-2)\)
B. \(6(x-2)(x+1)\)
C. \(6(x+2)(x-1)\)
D. \((3 x+4)(2 x+3)\)

Question 385:

An investor who invested N6,500/00 at some simple interest rate collected a total amount of \(\mathrm{N} 7,800.00\) after four years. How much simple interest would he have collected after two years if he had invested \(N 9,000,00\) ?

A. N1,000.00
B. \(\mathrm{N} 10,000,00\)
C. \(N 5,400,00\)
D. \(19900.00\)