 Free GRE Practice Test  Math  Permutation


Coverage : The GRE Practice Test  Math  Permutation has been designed to test the important concepts related to permutation and combination. The test covers important topics like evaluating factorial of a number, calculating the number of words formed by using certain letters, finding the number of ways people can be seated in a circle, grouping and rearranging consonents and vowels etc. 



1.  Evaluate the following: 76!/75!  a.   220  b.   76  c.   404  d.   622  e.   25
  2.  Find the value of 30C30.  a.   30  b.   90  c.   1442  d.   900  e.   1
  3.  Find the value of 70P2.  a.   1  b.   10  c.   4830  d.   4400  e.   140
  4.  How many words can be formed by using all letters of the word, 'DELHI'?  a.   120  b.   140  c.   145  d.   125  e.   160
  5.  In how many different ways can the letters of the word, 'ELECTRICITY' be arranged?  a.   20000  b.   10000  c.   500  d.   2494800  e.   120
  6.  In how many different ways can the letters of the word, 'WORLD' be arranged?  a.   80  b.   50  c.   120  d.   100  e.   160
  7.  In how many different ways can the letters of the word, 'RATIO' be arranged so that, the vowels always come together?  a.   20  b.   00  c.   36  d.   60  e.   62
  8.  In how many different ways can the letters of the word, 'MOUSE' be arranged so that, the vowels always come together?  a.   36  b.   12  c.   46  d.   48  e.   20
  9.  What would be the count of all the possible five letter words?  a.   25  b.   5+5  c.   20  d.   5*5  e.   26^5
  10.  In how many different ways can the letters of the word, 'PROBLEM' be arranged so that, the vowels always come together?  a.   2180  b.   3420  c.   1500  d.   1440  e.   3200
  11.  Out of 5 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?  a.   1200  b.   7200  c.   8400  d.   8200  e.   4500
  12.  A pencil box contains 2 red, 4 white and 5 black balls. In how many ways can 4 balls be drawn from the box, if at least one white ball is to be included in the draw?  a.   625  b.   492  c.   200  d.   295  e.   120
 
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What others think about Free GRE Practice Test  Math  Permutation  By: Irfan on Jan 27, 2011  
