alleryपाणी 30 cm त्रिज्यामध्ये खोलवर-7 cm सिलेंडर रिकामी 22 × 15 सेमी बेस टाकी भरते; खोली? π = 22/7.
A7 cm
B28 cm
C21 cm
D14 cm
Answer & Solution
Correct answer: D. 14 cm
हस्तांतरित खंड (22/7) × 7² × 30 = 4620 सेमी ³ आहे, खोली 4620 ÷ (22 × 15) = 14 सेमी देते.
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