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Question

The value of 2×16 is .

A
20
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B
32
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C
12
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Solution

The correct option is B 32
2×16 denotes the multiplication of 1-digit number with 2-digits number.

2×16 can also be represented as 2×(10+6), which is solved using box method below.

Placing digits on the box as shown in below figure,


Now, multiplying numbers on top of box by number on left of box as shown in below figure,


As we know, 2×10=20 and 2×6=12 which can be seen in figure below,


Now, sum of numbers in all the boxes will give the result,
2×16=20+12=32

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