-
Question
SCREEN[1]
Multiply 200 by 5
or
If one bag has 200 mangoes,
Then total how many mangoes are there in 5 bags
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Step : 1
SCREEN[2]
Number 1 = 200
Number 2 = 5
Multiplying 200 by 5 means
adding (100 + 100), 5 times
100 100
+ 100 100
+ 100 100
+ 100 100
+ 100 100
--------------------------------------------------------------------------
= 500 500
Result = 1000
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Step : 2
SCREEN[3]
Number 1 = 200
Number 2 = 5
200
x 5
=
(100 + 100)
x 5
(500 + 500)
1000
Result = 1000
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Step : 3
SCREEN[4]
+ (100 + 100)
+ (100 + 100)
+ (100 + 100)
+ (100 + 100)
+ (100 + 100)
--------------------------------
=
+ 2 groups of hundred
+ 2 groups of hundred
+ 2 groups of hundred
+ 2 groups of hundred
+ 2 groups of hundred
--------------------------------
= 10 groups of hundred = 1000
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Step : 4
SCREEN[5]
Observe that number of groups of 100
become double of number of groups of 200.
We can easily do this by computing total number of groups of hundred.
After breaking the numbers in groups of hundreds.
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