AP EAMCET · Maths · Probability
One card is selected at random from cards numbered form to . What is the probability that the number on the card is even or divisible by .
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Total numbers nS=27 Even numbers possible to get =2,4,6,8,10,12,14,16,18,20,22,24,26 ⇒nE=13 Number divisible by 5 will be =5,10,15,20,25 ⇒n5=5 Total possibility of getting even number or divisible by 5=nE∩5=16 therefore, Probability =nE∩5nS=1627
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