Mathematics Past Questions and Answers

Find the standard derivation of the following data -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5

A 2
B 3
C \(\sqrt{10}\)
D \(\sqrt{11}\)

Question 42:

The figure shows circles of radii 3cm and 2cm with centres at X and Y respectively. The circles have a transverse common tangent of length 25cm. Calculate XY

A \(\sqrt{630}\)cm
B \(\sqrt{626}\)cm
C \(\sqrt{615}\)cm
D \(\sqrt{600}\)cm

Question 43:

Find the volume of the prism

A 990cm³
B 880cm³
C 550cm³
D 495cm³

Question 44:

In the figure, XYZ is a triangle with XY = 5cm, XZ = 2cm and XZ is produced to E making the angle < YZE = 150^o. If the angle XYZ = \(\theta\), calculate the value of sin\(\theta\)

A \(\frac{3}{5}\)
B \(\frac{1}{2}\)
C \(\frac{2}{5}\)
D \(\frac{1}{5}\)

Question 45:

The pie chart shows the income of a civil servant in a month. If his monthly income is N600, find his monthly basic salary

A N2000
B N2600
C N3100
D N3450