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Question 20

The mean of a set of six numbers is 60. if the mean of the first five is 50. find the sixth number in the set.

  • A.95
  • B.100
  • C.110
  • D.105
Objective

Question details

Exam body
NDA
Subject
Mathematics
Year
2010/2011
Question no.
#20
Type
Objective
Previous · Q18The acres for rice, pineapple, cassava, cocoa and palm oil in a certain district… Next · Q21 Let U = {a,b,c,d,e} A = {a,b,d} and B ={a,d,e}Then B/A Is equal to:

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