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GATE Numerical Ability - Probability Sample Question with Solutions

(#M40155328) GATE QUESTION prbobality Keep an EYE

a ticket is drawn from two hundred tickets numbered from 1to 200 , find the probability that the number is divisible by 2 or 3 or 5.

Asked In Gate kiran (9 years ago)

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(#M40037605) GATE QUESTION Keep an EYE

A person having three coins, first coin have both sides head, second coin
and third coin having one head and one tail. If one coin is picked up randomly
and tossed then the probability that it shows head having tail is...

Asked In Gate Hardip Bhalani (11 years ago)

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(#M40037604) GATE QUESTION Keep an EYE

A fair coin is tossed infinite times then find the probability of 4th head occurs
exactly at 10th times.

Asked In Gate Hardip Bhalani (11 years ago)

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(#M40031898) GATE QUESTION time Keep an EYE

Q. A and B are friends. They decide to meet between 1 PM and 2 PM on a given day. There is a condition that whoever arrives first will not wait for the other for more than 15 minutes. The probability that they will meet on that day is
(A) 1/4
(B) 1/16
(C) 7/16
(D) 9/16

Asked In Gate (11 years ago)

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(#M40031394) GATE QUESTION Keep an EYE

Q. There are three urns :first urn contains 1 white,2 red,3 green balls,second urn contains 2 white,1 red,1 green balls and third urn contains 4 white,5 red,3green balls. two balls are drawn from an urn chosen at random.these are found to be one white and one green. Probability that balls are drawn from third urn is,
Option
(A)15/59
(B)14/59
(C)13/59
(D)12/59

Asked In Gate shraddha chakrabarty (11 years ago)

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(#M40031167) GATE QUESTION MJ Keep an EYE

Q. A fair dice is rolled twice.the probability that an odd number will follow an even number is.

Option
a)1/2
b)1/6
c)1/3
d)1/4

Asked In Gate Mareesh janadri (11 years ago)

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(#M40029656) GATE QUESTION GATE-CS Keep an EYE

Suppose a fair six -sided die is rolled once. If the value on the die is 1, 2, or 3, the die is rolled a second time. What is the probability that the sum total of values that turn up is at least 6?

option
(A) 10/21
(B) 5/12
(C) 2/3
(D) 1/6

Asked In Gate Rats (12 years ago)

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(#M40019895) GATE QUESTION probability Keep an EYE

The probablity that out of 10 person, all born in june, at least two have the same birthday is?

Asked In Gate vignesh (12 years ago)

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(#M40003302) GATE QUESTION QUANTITATIVE APTITUDE Keep an EYE

A coin is tossed 4 times. What is the probability of getting heads exactly 3 times?

Asked In Gate CHANDAN KR SINGH (14 years ago)

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(#M40003195) GATE QUESTION Probability Keep an EYE

A bag contain 8 white balls and 6 red balls. The probability of drawing two balls of same colour is

a. 21/91
b. 13/112
c. 43/91
d. 41/91

Asked In Gate CHANDAN KR SINGH (14 years ago)

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