Madhya Pradesh Police Exam Model Paper 1

Question : 54 of 100

Marks: +1, -0

Sumit attempted 75% of questions correctly in a math test having 60 questions. How many questions did he answer incorrectly if he has attempted all questions in the test?

Validate

Solution:

Tips & Tricks
Given:
Sumit scored in math test = 75%
Total number of questions in math test = 60
Concept:
X% of a number = Actual number × (X/100)
Calculation:
Let the number of correct questions attempted by him be x, then

x = 60 × (75{/}100)

⇒ x = 45

∴ Number of incorrect questions attempted by him

= 60 – 45 = 15

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