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Byju's Answer
Standard VII
Mathematics
Percentages
Which number ...
Question
Which number is 40% less than 90?
A
36
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B
50
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C
60
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D
54
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Solution
The correct option is
D
54
solution:
To find out what is 40% less than 90, first we must find what is 40% of 90
40% of 90 = 40 / 100 X 90 = 36
Now we know that 40% of 90 is 36
So, 40% less than 90 = 90 - 36
⇒
54
Therefore, the number which is 40% less than 90 is 54.
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