# Practice Questions on ProbabilityAptitude Questions and Answers

 Q6. One hundred identical coins each with probability '$p$' showing up heads and tossed If $0  A. 1/2 B. 49/101 C. 50/101 D. 51/101 ## Moderate Probability Question - 7  Q7. What is the probability that a two digit number selected at random will be a multiple of '3' and not a multiple of '5'?  A. 2/15 B. 4/15 C. 1/15 D. 4/90 ## Moderate Probability Question - 8  Q8. In his wardrobe, Dexter has three trousers. One of them is black the second is blue, and the third brown. In his wardrobe, he also has four shirts. One of them is black and the other 3 are white. He opens his wardrobe in the dark and picks out one shirt and one trouser pair without examining the colour. What is the likelihood that neither the shirt nor the trouser is black?  A. 1/12 B. 1/6 C. 1/4 D. 1/2 ## Moderate Probability Question - 9  Q9. A man can hit a target once in 4 shots. If he fires 4 shots in succession, what is the probability that he will hit his target?  A. 1 B. 1/256 C. 81/256 D. 175/256 ## Moderate Probability Question - 10  Q10. The letters$B,G,I,N$and$R$are rearranged to form the word 'Bring'. Find its probability:  A.$\dfrac{1}{120}$B.$\dfrac{1}{5^4}$C.$\dfrac{1}{24}$D.$\dfrac{1}{76}\$
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