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QUIZ

12th

grade

59%

accuracy

19

plays

Pratima Nayak

7 years

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11 questions

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- 1. Multiple Choice3 minutes1 ptIf P(A) = 4/ 5 , and P(A ∩ B) = 7/ 10 , then P(B | A) is equal to1/ 1017/ 201/87 /8
- 2. Multiple Choice3 minutes1 ptIf P(A ∩ B) = 7/ 10 and P(B) = 17/ 20 , then P (A | B) equals to7 /81/ 817/ 2014/17
- 3. Multiple Choice3 minutes1 ptIf P(A) = 3/ 10 , P (B) = 2/ 5 and P(A∪B) = 3/ 5 , then P (B | A) + P (A | B) equals to1/ 41/ 37/ 125/ 12
- 4. Multiple Choice3 minutes1 ptTwo cards are drawn from a well shuffled deck of 52 playing cards with replacement. The probability, that both cards are queens is2/131/1692/2211/221
- 5. Multiple Choice3 minutes1 ptEight coins are tossed together. The probability of getting exactly 3 heads is1/ 2563 /327/ 325/ 32
- 6. Multiple Choice3 minutes1 ptEight coins are tossed together. The probability of getting exactly 3 heads is1/ 2563 /327/ 325/ 32
- 7. Multiple Choice3 minutes1 ptFrom a pack of 52 cards, two cards are drawn together, what is the probability that both the cards are kings2/1211/2212/2211/169
- 8. Multiple Choice3 minutes1 ptA speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident30%40%45%35%
- 9. Multiple Choice3 minutes1 ptA box contains 5 green, 4 yellow and 3 white balls. Three balls are drawn at random. What is the probability that they are of same colour.52/553/5541/443/44
- 10. Multiple Choice3 minutes1 ptA box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from this box. The probability that at least one of these is defective is7/196/195/194/19
- 11. Multiple Choice3 minutes1 ptIn a college, 30% students fail in physics, 25% fail in mathematics and 10% fail in both. One student is chosen at random. The probability that she fails in mathematics if she has failed in Physics is1 /102/ 59/ 201/ 3
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