Mathematics Past Questions and Answers

Triangle SPT is the solution of the linear inequalities

A 2y - x - 2 \(\leq\) 0, y + 2x + 2 \(\geq\) 0, x \(\geq\) 0
B 2y - x - 2 \(\geq\) 0, y + 2x + 2 \(\leq\) 0, -2 \(\geq\) x \(\geq\) -1
C -2 \(\geq\) x \(\geq\) 2, y \(\leq\) 0, y + 2x + 2 \(\geq\) 0, x \(\geq\) 0
D 2y - x - 2 \(\geq\) 0, y + 2x + 2 \(\geq\) 0, y \(\leq\) 0, x \(\geq\) 0

Question 47:

In the figure PQR a straight line segment, PQ = QT. Triangle PQT is an isosceles triangle, < SRQ is 75^o and < QPT IS 25^o. Calculate the value of < RST

A 50^o
B 25^o
C 55^o
D 45^o

Question 48:

Find the value of \(\theta\) in the diagram

A 60^o
B 100^o
C 120^o
D 30^o

Question 49:

The bar chart shows different colours of cars passing a particular point of a certain street in two minutes. What fraction of the cars is yellow

A \(\frac{1}{5}\)
B \(\frac{2}{25}\)
C \(\frac{4}{15}\)
D \(\frac{3}{25}\)

Question 50:

The graph shows the cumulative frequency of the distribution of masses of fertilizer for 48 workers in one institution. Which of the following gives the inter-quartile range?

A \(\frac{1}{2}(Q_3 - Q_1)\)
B Q₃ - Q₂
C Q₃ - Q₂
D Q₃ - Q₁