RRB Technician Grade 3 previous year question
The area of a square is 225 cm². Its perimeter is equal to the perimeter of a regular hexagon. What is the area (in cm²) of the hexagon?
Asked in RRB Technician Grade 3 (09 Mar 2026 Shift 1) · Quantitative Aptitude
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Correct answer: (D) 150√3
Square side = √225 = 15 cm, perimeter = 60 cm = hexagon's perimeter, so hexagon side = 10 cm. Hexagon area = (3√3/2)×10² = 150√3 cm².
हिंदी में प्रश्न
किसी वर्ग का क्षेत्रफल 225 cm² है। इसका परिमाप किसी समषट्भुज के परिमाप के बराबर है। षट्भुज का क्षेत्रफल (cm² में) ज्ञात कीजिए।
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सही उत्तर: (D) 150√3
वर्ग की भुजा = √225 = 15 सेमी, परिमाप = 60 सेमी = षट्भुज का परिमाप, अतः षट्भुज की भुजा = 10 सेमी। षट्भुज का क्षेत्रफल = (3√3/2)×10² = 150√3 सेमी².
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