SSC CGL Tier-II practice question
The length of a rectangular field is 25% more than its breadth. If the perimeter of the field is 180 m, find its area.
From a SSC CGL Tier-II Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (C) 2,000 sq m
*Solution:* Let breadth = b, length = 1.25b. Perimeter = 2(b+1.25b) = 4.5b = 180 ⟹ b = 40, length = 50. Area = 40×50 = **2,000 sq m**.
हिंदी में प्रश्न
एक आयताकार मैदान की लंबाई उसकी चौड़ाई से 25% अधिक है। यदि मैदान का परिमाप 180 मीटर है, तो उसका क्षेत्रफल ज्ञात करें।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 2,000 वर्ग मी.
माना चौड़ाई = b, लंबाई = 1.25b। परिमाप = 4.5b = 180 ⟹ b = 40, लंबाई = 50। क्षेत्रफल = 40×50 = **2,000 वर्ग मी.**।
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