Subject
Bank Exam
Topic
EXIM Bank Ltd. - Trainee Assistant Officer - (10.01.2020) 2019 [IBA, DU]
What is the parameter of a rectangle that is 24 meter wide and has the same area as another rectangle that is 64 meter long and 48 meter wide ?
What is the parameter of a rectangle that is 24 meter wide and has the same area as another rectangle that is 64 meter long and 48 meter wide ?
ক)
112 meterখ)
152 meterগ)
224 meterঘ)
256 meterঙ)
304 meterExplanation
প্রশ্নে বলা হচ্ছে যে, একটি আয়তক্ষেত্রের দৈর্ঘ্য ৬৪ মিটার এবং প্রস্থ ৪৮ মিটার । এর সমান ক্ষেত্রফল বিশিষ্ট অপর একটি আয়তক্ষেত্রের প্রস্থ ২৪ মিটার হলে তার পরিসীমা কত ? ধরি, অপর আয়তক্ষেত্রের দৈর্ঘ্য x মিটার প্রশ্নমতে, x × 24 = 64 × 48 ∴ x = 64×48/24 = 128 মিটার অতএব, পরিসীমা = 2( 128 + 24 ) = 152 × 2 = 304 মিটার ।Related questions
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ENORMOUS