Mathematics Past Questions and Answers

In how many ways can 6coloured chalks be arranged if 2 are same colour?

A 60
B 120
C 240
D 360

Question 42:

How many possible ways are there of seating seven people P,Q,R,S,T,U and V at a circular table

A 360
B 720
C 2520
D 5040

Question 43:

A box contains 5 blue balls, 3 red balls and 2 white balls. Two balls are selected from the box with replacement. Find the probability of obtaining two blue or two red balls

A 17/50
B 3/25
C 1/50
D 3/250

Question 44:

What is the probability that an integer x,(1 \(\leq\) x \(\leq\) 20) chosen at random is divisible by both 2 and 3?

A 1/20
B 1/3
C 3/20
D 7/10

Question 45:

The diagram above is the graph of the function f(x). Determine the range of values of x for which f(x) \(\geq\) 0.

A X \(\geq\) 2
B 0 \(\geq\) x \(\geq\) 2
C -2 \(\geq\) x \(\geq\) 0, x \(\leq\) 2
D X \(\geq\) -2, 0 \(\geq\) x \(\geq\) 2