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If 356 + 123 = 512 .Then what is the value of  653 + 321?

1.215

2.974

3.1004

4.1304

How to solve these type questions?

1 Answer

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356+123=512

6+3=9 =2 it is clear base should be 7

       Because 7+2 =9

  653

+321

___________

1304

 

5+2=7 =0 it gives 1 carry

6+3+1=10=7+3 that gives 1 carry

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