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Byju's Answer
Standard VIII
Mathematics
Inversion Problems (Finding the Number Given the Result)
The following...
Question
The following calculation was performed by the Royal Treasurer.
His first error was in step number
A
1
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B
2
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C
3
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Solution
The correct option is
B
2
We can split
32
as
30
+
2
.
So, to multiply
32
with
3132
, we have to first multiply
3132
with
2
.
Now, in Step
1
, we get:
3132
×
2
=
6264
In the second step, we will multiply
3132
with
30
.
But, in Step 2, the "correct" answer will be:
3132
×
30
=
93960
.
But, on comparing, we can see that the Royal Treasurer had wrongly calculated it as
3132
×
3
=
9396
.
The zero after 9396 is missing.
So, the first error made by the Royal Treasurer is in "Step 2".
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