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In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana?
- A. 17/30
- B. 17/30
- C. 17/30
- D. 17/30
QUICK ANSWER…
A
SOLUTION…
Total number of fruits = 6 + 11 + 13 = 30
Whenever you see “or” you should use addition, and whenever you see “and” you should use multiplication.
Now for the right answer to the above question:
- Option A is correct.
- Option B is incorrect.
- C is incorrect.
- D is not the correct answer.
QUICK TIPS…
You may please note these/this:
- Whenever you see “or” you should use addition, and whenever you see “and” you should use multiplication.
Use the questions and answers session to deal further on this topic…
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/ culled from 2018 JAMB-UTME mathematics question 27 /
