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Playing with Numbers

One Word Answers

11.

Check the divisibility of 2146587 by 3.

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Short Answer Type

12.

4 A
+ 9 8
_______
C B 3
_______

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13.

1 A
X 8
____
9 1_

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14.

A B
+ 3 7
______
3 7
______

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15.

A B
+ 3 7
______
6 B_

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16.
A B
x 5

C A B

B can be either 5 or 0.

∵ A x 5 = A

∴ B must be 0

Again A can either be 5 or 0.

∴ C $space space not equal to$ 0 ∴ $space space space not equal to$ 0

∴ A must be equal to 5
Thus, we have                             6 0
                                               x 5
                                             _____
Therefor A =5, B = 0, C = 2 2 5 0

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17.

   A B
   x   6
_______
    6 B__

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18.

A 1
+ 1 B
______
B 0

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19.

1 2 A
+ 6 A B
________
A 0 9 _

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20.

2 A B
+ A B 1
_________
B 1 8__