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Frequently Asked MBA Numerical Ability - Probability Sample Question with Solutions

(#M40015724) MBA QUESTION permutations and combinations, probability Keep an EYE

Find the probability that a rectangle selected at random from a 10X10 chess board is a square.

1) 17/55
2) 7/55
3) 17/108
4) 7/108

Asked In MBA (10 years ago)

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(#M40016794) MBA QUESTION permutations and combinations, probability Keep an EYE

A box contains 6 red balls, 7 green balls and 5 blue balls. Each ball is of a different size. One ball is selected and it is found to be red. What is the probability that it is the smallest red ball?

1) 1/18
2) 1/3
3) 1/6
4) 2/3
5) 1/2

Asked In MBA (10 years ago)

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(#M40164481) MBA QUESTION Keep an EYE

A bag has 6 blue balls, 8 red balls, 5 black balls and 9 white balls. You are asked to pick some balls from the bag, without looking into the bag. What is the minimum number of balls you must pick so as to be sure that at least 3 of them are of the same color?

Asked In MBA lost (6 years ago)

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(#M40016757) MBA QUESTION permutations and combinations, probability Keep an EYE

A bag contains 5 balls and it is not known how many of them are blue in colour. If 2 balls are drawn and found to be blue, then the probability that all the balls in the bag are blue is

1) 1/4
2) 1/2
3) 2/5
4) none of these

Asked In MBA (10 years ago)

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(#M40016313) MBA QUESTION permutations and combinations, probability Keep an EYE

Find the probability that the randomly chosen positive divisor of 10^99 is an integral multiple of 10^88.Don't have ans so not marked it....pls explain !!

1) 9/625
2) 16/625
3) 49/625
4) None of these

Asked In MBA (10 years ago)

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(#M40015662) MBA QUESTION permutations and combinations, probability Keep an EYE

A fair coin is tossed 10 times. find the probability that two heads dont occur consecutively ?
Approach plz !

1) 1/2^4
2) 1/2^3
3) 1/2^5
4) NOT

Asked In MBA (10 years ago)

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(#M40017273) MBA QUESTION permutations and combinations, probability Keep an EYE

A and B are friends.They decided to meet between 1 P.M and 2 P.M on a given day.there is a condition that whoever arrives first will not wait for more than 15 mins.The probability that they will meet on that day is(if neone gets the ans,please share the approach)

1) 1/4
2) 1/16
3) 7/16
4) 9/16

Asked In MBA (10 years ago)

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(#M40033142) MBA QUESTION CMAT Keep an EYE

Q. What is the probabilty of selecting two cards from a pack of cards such that first is spade and second is king

Asked In MBA shikha singh (9 years ago)

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