[tex]\orange{\mathfrak{Q}}{\blue{.}}[/tex]A number is increased by 40%, then it is decreased by 40%. Find the net increase or increase percent.
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[tex]\orange{\mathfrak{Q}}{\blue{.}}[/tex]A number is increased by 40%, then it is decreased by 40%. Find the net increase or increase percent.
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Answer:
80 percent is the answer
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Answer:
A number is increased by 40% and then decreased by 40%. Find the net increase or decrease per cent.
Medium
Updated on : 2022-09-05
Solution
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Correct option is A)
Let the number be 100.
Increase in the number =40%=40% of 100=
100
40
×100=40
Therefore, increased number =100+40=140
This number is decreased by 40%
Therefore, decrease in number =40% of 140=
100
40
×140=
100
5600
=56
Therefore, new number =140−56=84
Thus, net decreases =100−84=16
Hence, net percentage decrease =
100
16
×100=16%