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Delhi Police Constable Exam Model Paper 1
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© examsnet.com
Question : 90
Total: 100
If a number is increased by
66
2
3
%
then it will become 2255. Find the original number.
1357
1457
1353
1247
Validate
Solution:
A number is increased by
66
2
3
%
Calculation
:
66
2
3
%
=
2
3
We take original number = 3x, thus if it is increased by
66
2
3
%
, number becomes 3x + 2x = 5x
According to the question
5x = 2255
⇒ x = 451
∴ Original number
=
3
x
=
3
×
451
=
1353
© examsnet.com
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