A class has 12 boys and 18 girls. One-third of the boys and one-half of the girls wear spectacles. What is the probability that a randomly selected…
CA Foundation · Quantitative Aptitude · MTP · September 2026
A class has 12 boys and 18 girls. One-third of the boys and one-half of the girls wear spectacles. What is the probability that a randomly selected student is a boy wearing spectacles?
Suggested Answer and Working Notes:
Correct Answer: Option (B)
B. 2/15
Topics: Part-C: Statistics
Related Questions in this Topic
- If P(A) = 1 / 2 , P(B) = 1 / 3 and P(A ∩ B) = 1 / 4 , then the value of P(A ∪ B) is:
- A card is drawn from each of two well-shuffled packs of cards. The probability that at least one of them is an ace is
- A variable is known to be ______ if it can assume any value from a given interval.
- When the data are classified in respect of successive time points, they are known as ______
- The appropriate measure of dispersion for open-end classification is