An exam is held for 956 marks. Rose scores 643. Find the number of marks she lost in her exam.
A
323
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B
333
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C
343
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D
313
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Solution
The correct option is D 313 Total marks = 956
Marks Rose got in her exam = 643
Marks she lost = Total marks – Marks she got
= 956 – 643
Let's subtract the numbers using vertical subtraction.
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Keep in mind that we are subtracting like terms only.
Therefore, Rose lost 313 marks in her exam.