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The breadth of a rectangle is four times...

The breadth of a rectangle is four times of its length. If the area of the rectangle is 1764, then what is the breadth of the rectangle?
एक आयत की चौड़ाई इसकी लंबाई का चार गुना है। यदि आयत का क्षेत्रफल 1764 है, तो आयत की चौड़ाई क्या है?

A

44

B

56

C

84

D

21

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