CBSE Class 10 Maths (Standard) 2022 · Paper 30/4/1 · Question 14
Khurja is a city in the Indian state of Uttar Pradesh famous for the pottery. Khurja pottery is traditional Indian pottery work which has attracted Indians as well as foreigners with a variety of tea-sets, crockery and ceramic tile works. A huge portion of the ceramics used in the country is supplied by Khurja and is also referred as 'The Ceramic Town'. One of the private schools of Bulandshahr organised an Educational Tour for class 10 students to Khurja. Students were very excited about the trip. Following are the few pottery objects of Khurja. Students found the shapes of the objects very interesting and they could easily relate them with mathematical shapes viz sphere, hemisphere, cylinder etc. Maths teacher who was accompanying the students asked following questions.
- aThe internal radius of hemispherical bowl (I) is 9 cm and the radius and height of cylindrical jar (II) are 1.5 cm and 4 cm respectively. If the hemispherical bowl is to be emptied into cylindrical jars, then how many cylindrical jars are required?[2]
- bIf in the cylindrical jar full of water, a conical funnel of same height and same diameter is immersed, then how much water will flow out of the jar?[2]
Answer
(a) 54 cylindrical jars are required. (b) Water that flows out cm.
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