new doc 1 - jsunil tutorial cbse maths &...
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![Page 1: New Doc 1 - JSUNIL TUTORIAL CBSE MATHS & SCIENCEjsuniltutorial.weebly.com/uploads/7/8/7/0/7870542/8th... · 2018-10-03 · Area of 4 wall and ceiling = 2(l+b) x h + lb JSUNIL TUTORIAL](https://reader035.vdocuments.us/reader035/viewer/2022081612/5f451ab2d8d68924442958bb/html5/thumbnails/1.jpg)
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![Page 2: New Doc 1 - JSUNIL TUTORIAL CBSE MATHS & SCIENCEjsuniltutorial.weebly.com/uploads/7/8/7/0/7870542/8th... · 2018-10-03 · Area of 4 wall and ceiling = 2(l+b) x h + lb JSUNIL TUTORIAL](https://reader035.vdocuments.us/reader035/viewer/2022081612/5f451ab2d8d68924442958bb/html5/thumbnails/2.jpg)
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both have same CSA
![Page 3: New Doc 1 - JSUNIL TUTORIAL CBSE MATHS & SCIENCEjsuniltutorial.weebly.com/uploads/7/8/7/0/7870542/8th... · 2018-10-03 · Area of 4 wall and ceiling = 2(l+b) x h + lb JSUNIL TUTORIAL](https://reader035.vdocuments.us/reader035/viewer/2022081612/5f451ab2d8d68924442958bb/html5/thumbnails/3.jpg)
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0 = 5120 cm3
![Page 4: New Doc 1 - JSUNIL TUTORIAL CBSE MATHS & SCIENCEjsuniltutorial.weebly.com/uploads/7/8/7/0/7870542/8th... · 2018-10-03 · Area of 4 wall and ceiling = 2(l+b) x h + lb JSUNIL TUTORIAL](https://reader035.vdocuments.us/reader035/viewer/2022081612/5f451ab2d8d68924442958bb/html5/thumbnails/4.jpg)
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Area of 4 wall and ceiling = 2(l+b) x h + lb = 2(5 + 4) x 3 + 5 x 4 = 74 m2Cost of painting at the rate of Rs. 50 = Rs. 50 x 74 = Rs. 3700
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![Page 5: New Doc 1 - JSUNIL TUTORIAL CBSE MATHS & SCIENCEjsuniltutorial.weebly.com/uploads/7/8/7/0/7870542/8th... · 2018-10-03 · Area of 4 wall and ceiling = 2(l+b) x h + lb JSUNIL TUTORIAL](https://reader035.vdocuments.us/reader035/viewer/2022081612/5f451ab2d8d68924442958bb/html5/thumbnails/5.jpg)
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= 31680 cm2
Area swept in 500 revolution = 31680x 500/10000 = 1584 m2Cost of leveling = 7. 50 x 1584 = Rs.11880
![Page 6: New Doc 1 - JSUNIL TUTORIAL CBSE MATHS & SCIENCEjsuniltutorial.weebly.com/uploads/7/8/7/0/7870542/8th... · 2018-10-03 · Area of 4 wall and ceiling = 2(l+b) x h + lb JSUNIL TUTORIAL](https://reader035.vdocuments.us/reader035/viewer/2022081612/5f451ab2d8d68924442958bb/html5/thumbnails/6.jpg)
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