किसी बेलन की त्रिज्या 3 cm तथा ऊंचाई 5 cm है। उसे पिघलाया गया तथा 1 mm त्रिज्या तथा 1 cm ऊंचे शंकुओं में परिवर्तित किया गया। शंकुओं की संख्या ज्ञात करें?A. 450B. 1350C. 8500D. 13500

किसी बेलन की त्रिज्या 3 cm तथ�

1.	किसी बेलन की त्रिज्या 3 cm तथा ऊंचाई 5 cm है। उसे पिघलाया गया तथा 1 mm त्रिज्या तथा 1 cm ऊंचे शंकुओं में परिवर्तित किया गया। शंकुओं की संख्या ज्ञात करें?A. 450B. 1350C. 8500D. 13500
Answer» Correct Answer - D Let the no. of cones `=x` `implies pixx3^(2)xx5=x xx 1/3xx pixx(1/10)^(2)xx1` `implies x=9xx5xx3xx100=13500`

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