Gce Model Questions Vol1 2021 Mathematics Question 16

Practice objective / multiple choice question 16 from the 2021 Gce Model Questions Vol1 Mathematics examination.

Gce Model Questions Vol1 2021 Mathematics Objective / Multiple Choice Hard Difficulty
Question 16 GCE_MODEL_QUESTIONS_VOL1 • 2021 • MATHEMATICS • objective

A bag contains red, blue and green balls. The probability that a ball drawn at random is red is \(\frac13\). If a red ball is drawn first and not replaced, the probability that the second ball drawn is blue is \(\frac27\). Two balls are drawn without replacement and it is known that at least one of them is blue. Find the probability that the other ball is red.

Answer Options

A. 3/5
Correct Answer B. 2/5
C. 2/3
D. 1/3
Correct Answer
B
Correct Option:
2/5

About This Question

This is Gce Model Questions Vol1 2021 Mathematics Question 16. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Mathematics examination.

Difficulty level: Hard .

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