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Study Material for Class 9 Mathematics Chapter 13 Surface Areas and Volumes
Class 9 Mathematics students should refer to the following Pdf for Chapter 13 Surface Areas and Volumes in Class 9. These notes and test paper with questions and answers for Class 9 Mathematics will be very useful for exams and help you to score good marks
Class 9 Mathematics Chapter 13 Surface Areas and Volumes
CBSE Class 9 Surface Areas and Volumes Sure Shot Questions. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations. Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.
11. The dimensions of a prayer Hall are 20m x 15m x 8m. Find the cost of painting its walls at Rs. 10 per m2.
12. Find the curved surface area of a right circular cylinder whose height is 13.5 cm and radius of tis base is 7 cm. Find also its surface area.
13. The exterior diameter of an iron pipe is 25cm and it is one cm thick. Find the whole surface are of the pipe it is 21cm long.
14. A roller 150 cm long has a diameter of 70 cm. To level a playground it takes 750 complete revolutions. Determine the cost of leveling the playground at the rate of 75 paise per m2.
15. Find the total surface area of a cone, if its slant height is 21 cm and the diameter of its base is 24 cm.
16. The volume of a sphere is 4851 cm3. How much should its radius be reduced so that it volume becomes 4312/3 cm3.
17. A river, 3 m deep and 40m wide, is flowing at the rate of 2km/hr. How much water will fall into the sea in a minute?
18. Find the capacity in litres of a conical vessel whose diameter is 14 cm and slant height is 25 cm.
19. What is the total surface area of a hemisphere of base radius 7cm?
20. A village having a population of 4000, requires 150 litres of water per head per day. It has a tank measuring 20m x 15m x 6m. For how many days, the water of the tank will be sufficient for the village?
21. Mary wants to decorate her Christmas tree. She wants to place the tree on a wooden box covered with coloured paper with picture of Santa Claus on it. She must know the exact quantity of paper to buy for this purpose. If the box has length, breadth and height as 80 cm, 40 cm and 20 cmrespectively how many square sheets of paper of side 40 cm would she require?
22. Hameed has built a cubical water tank with lid for his house, with each outer edge 1.5 m long. He gets the outer surface of the tank excluding the base, covered with square tiles of side 25 cm. Find how much he would spend for the tiles, if the cost of the tiles is Rs 360 per dozen.
23. A small indoor greenhouse (herbarium) is made entirely of glass panes (including base) held together with tape. It is 30 cm long, 25 cm wide and 25 cm high. (i) What is the area of the glass? (ii) How much of tape is needed for all the 12 edges?
24. Shanti Sweets Stall was placing an order for making cardboard boxes for packing their sweets. Two sizes of boxes were required. The bigger of dimensions 25 cm × 20 cm × 5 cm and the smaller of dimensions 15 cm × 12 cm × 5 cm. For all the overlaps, 5% of the total surface area isrequired extra. If the cost of the cardboard is Rs 4 for 1000 cm2, find the cost of cardboard required for supplying 250 boxes of each kind.
Please click the link below to download CBSE Class 9 Surface Areas and Volumes Sure Shot Questions.
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CBSE Class 9 Mathematics Chapter 13 Surface Areas and Volumes Study Material
We hope students liked the above Study Material for Chapter 13 Surface Areas and Volumes designed as per the latest syllabus for Class 9 Mathematics released by CBSE. Students of Class 9 should download the Study Material in Pdf format, read the notes and related questions and solutions given in above Class 9 Mathematics Study Material on daily basis. All latest Study Material have been developed for Mathematics by referring to the most important and regularly asked topics which the students should learn and practice to get better score in school tests and examinations. Expert teachers of studiestoday have referred to NCERT book for Class 9 Mathematics to develop the Mathematics Class 9 Study Material. After solving the questions given in the Study Material which have been developed as per latest course books also refer to the NCERT solutions for Class 9 Mathematics designed by our teachers. Also download Class 9 Mathematics Sample Papers given on studiestoday. After solving these you should also refer to Class 9 Mathematics MCQ Test for the same chapter.
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