SSC CHSL Tier-1 practice question
A square-shaped plot has a side of 30 m. Fencing it costs Rs. 20 per metre, and paving its floor costs Rs. 15 per sq. m. Find the total cost of both.
From a SSC CHSL Tier-1 Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (A) Rs. 15900
Perimeter = 4 x 30 = 120 m; Fencing cost = 120 x 20 = Rs. 2400. Area = 302 = 900 sq. m; Paving cost = 900 x 15 = Rs. 13500. Total cost = Rs. 2400 + Rs. 13500 = Rs. 15900.
हिंदी में प्रश्न
एक वर्गाकार भूखंड की भुजा 30 मीटर है। इसे घेरने में Rs. 20 प्रति मीटर तथा इसके फर्श को पक्का करने में Rs. 15 प्रति वर्ग मीटर व्यय होता है। दोनों कार्यों का कुल व्यय ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) Rs. 15900
परिमाप = 4 x 30 = 120 मीटर; घेरने का व्यय = 120 x 20 = Rs. 2400। क्षेत्रफल = 302 = 900 वर्ग मीटर; पक्का करने का व्यय = 900 x 15 = Rs. 13500। कुल व्यय = Rs. 2400 + Rs. 13500 = Rs. 15900।
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