Question

12. The probability of a pointer stopping in the red
area on a spinner wheel is stopping in the blue
area is stopping in the green area is
and stopping in the yellow area is
16
the ratio of the wheel areas covered in red, blue.
green, and yellow colour
1​

Answer 1

So the probability of the pointer stopping on D = \frac{1}{5}

5

1

(b) There are 4 aces in a deck of 52 playing cards. So, there are four events of getting an ace.

So, the probability of getting an ace = \frac{4}{42}

42

4

= \frac{1}{4}

4

1

(c) Total number of apples = 7

Number of red apples = 4

Probability of getting red apple = \frac{4}{7}

7

4