SSC CHSL Tier-1 previous year question
A hollow cylindrical pipe has external radius 5cm, internal radius 4cm, length 21cm. Find the volume of material used. (π=22/7)
Asked in SSC CHSL Tier-1 (15 Nov 2025 Shift 1) · Quantitative Aptitude
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Correct answer: (A) 594 cm³
Volume=π×(R²−r²)×h = (22/7)×(25−16)×21 = (22/7)×9×21 = 22×9×3 = 594 cm³.
हिंदी में प्रश्न
एक खोखले बेलनाकार पाइप की बाहरी त्रिज्या 5 सेमी, आंतरिक त्रिज्या 4 सेमी, लंबाई 21 सेमी है। प्रयुक्त सामग्री का आयतन ज्ञात कीजिए। (π=22/7)
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 594 सेमी³
आयतन=π×(R²−r²)×h = (22/7)×9×21 = 594 सेमी³.
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