1.

Lohita solved the division problem shown in the box. Which of the following could Lohita use to check her answer?

A.  \[7\times 42\]                 
B.         \[\text{36}\times \text{7}\]                      
C.         \[\text{36}\times \text{252}\] 
D.         \[\text{252}\times \text{7}\]                    
Answer» C.         \[\text{36}\times \text{252}\] 


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