RRB NTPC 28 April 2016 Paper

Question : 29 of 100

Marks: +1, -0

Sumit scored 75% on a math test with 60 questions. How many questions did he answer incorrectly?

Solution:

(2) Sumit’s marks in Maths = 75%Total number of questions = 60.Percentage of incorrect question
= 25%
No. of incorrect questions
=

25 /100

× 60 = 15 questions

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