Area and Perimeter practice question for Railways, SSC. Review the correct answer and explanation, then continue with related practice below.
A rectangular field is 80 m long and 60 m broad. Two roads, each 5 m wide, run through the middle of the field, one parallel to the length and the other parallel to the breadth. Find the total area covered by the roads.
एक आयताकार मैदान 80 m लंबा और 60 m चौड़ा है।
मैदान के बीच से 5 m चौड़ी दो सड़कें गुजरती हैं, एक लंबाई के समानांतर तथा दूसरी चौड़ाई के समानांतर।
सड़कों द्वारा घेरा गया कुल क्षेत्रफल ज्ञात कीजिए।
Answer and explanation are free to read — no sign-in required.उत्तर और व्याख्या पढ़ने के लिए साइन-इन आवश्यक नहीं है।
Correct Answerसही उत्तर
B. 675 m²B. 675 मीटर²
Explanationव्याख्या
Area of first road = 80 × 5 = 400 m².
Area of second road = 60 × 5 = 300 m².
Common area = 5 × 5 = 25 m².
Total = 400 + 300 − 25 = 675 m².
पहली सड़क का क्षेत्रफल = 400, दूसरी का = 300 और साझा भाग = 25।
कुल क्षेत्रफल = 400 + 300 − 25 = 675 मीटर²। ---
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