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B
10
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C
1
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D
4
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Solution
The correct option is A 2 This method of multiplication, we divide the numbers in tens and ones
22 is written as 20 and 2
12 can be written as 10 and 2
22 x 12
10
2
20
200
40
2
20
20
The blank is the ones digit place hence the answer is 2