NIFT UG 2011 Question Paper with solutions

Question : 19 of 150

Marks: +1, -0

The average of five numbers is 56. If the average of first four numbers is 54. What is the value of the fifth number?

Solution:

Sum of five numbers

=56×5=280

Sum of four numbers

=54×4=216

∴ 5th numbers

=280–216=64

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