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GMAT Numerical Ability - Probability Sample Question with Solutions

(#M40023918) GMAT QUESTION Keep an EYE

Set S is the set of all prime integers between 0 and 20. If three numbers are chosen randomly from set S and each number can be chosen only once, what is the positive difference between the probability that the product of these three numbers is a number less than 31 and the probability that the sum of these three numbers is odd?
(A) 1/336
(B) 1/2
(C) 17/28
(D) 3/4
(E) 301/336

Asked In GMAT rajesh (12 years ago)

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(#M40010429) GMAT QUESTION Keep an EYE

How many different four letter words can be formed (the words need not be meaningful) using the letters of the word "MEDITERRANEAN" such that the first letter is E and the last letter is R?

A. 59

B. 11!/2!*2!*2!

C. 56

D. 23

E. 11!/2!*2!*2!*3!

Asked In GMAT Gourav Rusiya (13 years ago)

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(#M40009762) GMAT QUESTION Keep an EYE

Each Employee at a certain bank is either a clerk or an agent or both. Of every three agents, one isalso a clerk. Of every two clerks, one is also an agent. What is the probability that an employeerandomly selected from the bank is both an agent and a clerk?

Asked In GMAT chaitanya (13 years ago)

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