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NIMCET 2008 Question Paper with solutions
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© examsnet.com
Question : 67
Total: 120
A certain street has 1000 buildings. A sign-maker is contracted to number the houses from 1 to 1000 . How many zeroes will be needed?
128
190
181
192
Validate
Solution:
0
↑
9
cases for two digit numbers.
↑
0
↑
9
×
10
=
90
cases
For three digit numbers.
9
↑
↑
0
9
×
10
=
90
cases
In 1000 there is
30
s
Total
0
=
9
+
90
+
90
+
3
=
192
© examsnet.com
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