Question : Directions: 14 notebooks of a class were corrected with ink pen while 22 notebooks were corrected with colour pencil. If 4 notebooks were corrected with both, what is the strength of the class?
Option 1: 30
Option 2: 32
Option 3: 28
Option 4: 25
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Correct Answer: 32
Solution :
Given:
Notebooks corrected with ink pen = 14
Notebooks corrected with colour pencil = 22
Notebooks corrected with both = 4
So, the total number of students in class = 14 + 22 – 4 = 32
Hence, the second option is correct.
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