Subject
Quantitative Aptitude
Topic
Areas & Volumes
The perimeter of a rectangular field is 104 meters. If the length of the field is 10 meters more than twice the width, what is the area of that field in square meters?
The perimeter of a rectangular field is 104 meters. If the length of the field is 10 meters more than twice the width, what is the area of that field in square meters?
ক)
530খ)
532গ)
580ঘ)
588ঙ)
NoneExplanation
মনেকরি, আয়তক্ষেত্রটির দৈর্ঘ্য = x এবং আয়তক্ষেত্রটির প্রস্থ = y প্রশ্নমতে, 2(x+y) = 104 ⇒ x+y = 52 ............ (i) আবার, x = 2y + 10 ............. (ii) ∴ (i) ⇒ 2y + 10 + y = 52 ⇒ 3y = 42 ⇒ y = 14 ∴ (ii) ⇒ x = 2 × 14 + 10 = 28 + 10 = 38 ∴ ক্ষেত্রফল = 38 × 14 = 532Related questions
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