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Question

Sujata and Nikhila are playing a game. Sujata took one calendar and marked a 3×3 box in it. She asked Nikhila to calculate the total of all the numbers inside the box. What is the total?



A
99
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B
79
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C
49
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D
81
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Solution

The correct option is D 81
Easy way to find the total of all the numbers inside the 3×3 box inside the calendar:

1. Select the middle number.
2. Multiply it with 9.

The answer is the total.
In this case,
1. Middle number is 9.
2.  9×9=81

81 is the total of all the numbers inside the 3×3 box.

Mathematics

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