Post Utme Mathematics Past Questions and Answers

Question 416:

If \(x+2\) and \(x-1\) are factørs of the expression \(L x^{3}+2 k x^{2}+24\), find the values of \(L\) and \(k\).

A. \(L=6, k=-9\)
B. \(L=-\) \(2, k=1\)
C. \(L=2 k=1\)
D. \(L=6, k=1\)
E. \(E=6, k=0\)

Question 417:

The value of \((0.03)^{3}-(0.02)^{3}\) is ____________

A. \(0.019\)
B. \(0.0019\)
C. \(0.00019\)
D. \(0.000019\)
E. \(0.000035\)

Question 418:

PQRS is a cyclic quadrilateral with PQ as diameter of the circle.
If \(\angle P Q S=15^{0}\) find \(\angle Q R S\) ____________

A. \(75^{0}\)
B. \(37_{2}^{1 / 0}\)
C. \(127_{2}^{1 / 0}\)
D. \(105^{6}\)
E. None of the above

Question 419:

Which is the values of the variable \(x,A x=3,C x=9\), satisfy the inequalities \(0<\underline{x}+3<2\) ?

A. A, b, c
B. B, c only
C. C only
D. None of a, b, c
E. None of the choices above

Question 420:

Write down the number \(0.0052048\) correct to three significant figures

A. \(0.005\)
B. \(0.00052\)
C. \(0.00520\)
D. \(5.2048\)
E. 5204