Math Chapter Wise

337 track questions

Math Chapter Wise subcategory

Statistics And Probability questions

Live

EnglishRajasthan TGT 2011

Q201.If 1 P(A B), 2 ∪ = 1 P(A B) 2 ∪ = ∪ = and 2P(A) P(B) P, = then P is equal to

EnglishRajasthan TGT 2011

Q202.A bag containing balls numbered from 1 to 30. One ball is drown at random from these balls. The probably that its number is a multiple of 5 or 7 is

EnglishKVS TGT DEC 2017 PGT 2000, TGT 1999

Q203.Three of the six vertices of a regular hexagon are chosen at random. What is the probability that the triangle with these vertices is equilateral?

EnglishKVS TGT DEC 2017

Q204.If A, B, C are three mutually exclusive and exhaustive events of an experiment such that 3P(A) = 2P(B) = P(C), then P(A) is equal to–

EnglishKVS TGT DEC 2017

Q205.Three digit numbers are formed using the digits 0, 2, 4, 6, 8. A number is chosen at random out of these numbers. What is the probability that this number has the same digits?

EnglishKVS TGT DEC 2017

Q206.The probability that atleast one of the events A and B occurs is 0.6. If A and B occur simultaneously with probability 0.2, then P(A) + P(B) is–

EnglishTGT 1999

Q207.The probability of a man hitting a target correctly is 3 4. He tries 5 times, then what will be the probability that he will hit the target correctly at least three times?

EnglishTGT 1999

Q208.If the probability of occurrence of an event is 2 7, then what is the probability that the event does not happen?

EnglishTGT 1999

Q209.What will be the restricted probability of coming up with a number divisible by 3 in a throw of a dice when the restriction is that only an even number comes up.

EnglishPGT 2011

Q210.A bag contain 5 black and 4 white socks. A man pulls out two socks. The probability that they are of the same colour is:

EnglishPGT 2013

Q211.If two dice are thrown simultaneously, then what is the probability that the sum of the numbers appearing on both the dice is 7?

EnglishPGT 2004

Q212.3 bulbs are chosen at random from 20 bulbs, out of which 4 are defective. The probability that the room is lighted, will be

EnglishSECTION B PGT TIER-I 31.11.2014

Q213.In a leap year the probability of having 53 Sundays or 53 Mondays is–

EnglishSECTION B PGT TIER-I 31.11.2014

Q214.The probability that in a family of 5 members, exactly two members have birthday on Sunday, is–

EnglishSECTION B PGT TIER-I 31.11.2014

Q215.If the events A and B are independent, then P(A B) is equal to –

EnglishSECTION B PGT TIER-I 31.11.2014

Q216.A bag contains 5 red and 3 blue balls. If 3 balls are drawn at random without replacement the probability of getting exactly one red ball is–

EnglishJDD-75-PGT TIER II-X-15 28.06.2015

Q217.Given set { { { } } A 2,3,4,5 = and set { { } } B 11,12,13,14,15, Two numbers randomly are selected from each set what is probability that the sum of the numbers equal 16?

EnglishJDD-75-PGT TIER II-X-15 28.06.2015

Q218.An unbiased coin is tossed five times The outcome of each toss is either a head or a tail, The probability of getting at least one head is–

EnglishJDD-75-PGT TIER II-X-15 28.06.2015

Q219.The probability that a student knows the correct answer to a multiple choice question is 2/3. lf the student does not know the answer, then the student guesses the answer. The probability of the guessed answer being correct is 1 4. Given that the student has answered the question correctly, the conditional probability that the student known the correct answer is–

EnglishJDD-75-PGT TIER II-X-15 28.06.2015

Q220.Two events A and B occur with probabilities 0.25 and 0.50. The probability that they occur simultaneously is 0.14. What is the probability that neither of them occur?

Showing 201–220 of 337 questions

← Previous 1 9 10 11 12 13 17 Next →

Syllabus roadmap

Topics to cover next.

General practice

Topic-wise questions and study coverage will appear here.