किसी आयत की लम्बाई में 30 प्� – McqOptions

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1.	किसी आयत की लम्बाई में 30 प्रतिशत की वृध्दि और चौडाई में 20 प्रतिशत की वृध्दि होने पर क्षेत्रफल में कितने प्रतिशत वृध्दि होगी ?
A.	34 %
B.	56 %
C.	67 %
D.	78 %
Answer» C. 67 %

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