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Byju's Answer
Standard IV
Mathematics
Counting
There were 90...
Question
There were
900
photos of a trip, out of which
399
photos were deleted. How many photos were left?
A
500
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B
501
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C
601
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D
401
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Solution
The correct option is
B
501
We need to subtract
399
from
900
to find the remaining photos.
On borrowing and subtracting:
10
ones
–
9
ones
=
1
one
9
tens
–
9
tens
=
0
ten
8
hundreds
–
3
hundreds
=
5
hundreds
5
hundreds
+
0
ten
+
1
one
=
501
Hence, option A is correct
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