Question
In grade 11 of a school, 40 students opted for Physics,
17 opted for Biology, and 20 opted for Chemistry. If the total number of students in grade 11 was 60, all of these students opted for at least one of the three subjects mentioned here, and exactly five of these students opted for all these three subjects, what is the probability that a randomly selected student of grade 11 of this school would have opted for exactly one of these three subjects?Solution
The correct answer is D
More Previous year papers Questions
Choose the one which best expresses the meaning of the given word .
Ingenuous
Select the most appropriate meaning of the following idiom-
ROLL OUT
Poignant
That cannot be taken away
15. Vivacious
...In each of the following questions, three out of four words given have the same meaning. Mark the number as your answer which is different in ...
Select the INCORRECTLY spelt word.
- Choose the alternative which can replace the bold word without changing the meaning of the sentence.
The scientist was exultant after his years of ... Select the most appropriate synonym of the given word
Profuse
- Select the most appropriate ANTONYM of the bold word.
She was very apprehensive about the results of her exam.