Mathematics Grade 7 15 min

Probability of simple events

Probability of simple events

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1

A bag has 3 red marbles and 2 blue marbles. What is the probability of picking a red one?

2

A spinner has 8 equal sections: 4 green, 3 yellow, 1 purple. What is the probability of landing on green?

3

You roll a standard six-sided die. What is the probability of NOT rolling a 5?

Sample Practice Questions

Easy
A bag has 2 red balls and 1 blue ball. What is the probability of picking a blue ball?
0.1/3
1.1/2
2.2/3
3.1
Easy
A pen has 3 green shirts and 2 yellow shirts. What is the probability of picking a green shirt?
0.2/5
1.3/5
2.1/2
3.3/2
Easy
A spinner has 4 equal sections, one of which is green. What is the probability of landing on green?
0.1/4
1.1/3
2.1/2
3.4/1

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