Maths Practice Question and Answer
8 Q: A right circular cylinder is formed by rolling a rectangular sheet of metal of length 44 cm and breath 20 cm along its length. The volume of cylinder is_
1717 05f2cfd3221de6a117aeff4a7
5f2cfd3221de6a117aeff4a7- 13080true
- 24090false
- 34095false
- 45000false
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Answer : 1. "3080 "
Q: A solid copper sphere of radius 1.2 cm is converted into a right circular cylinder rod of length 16 cm. The ratio of total surface area of the rod to the sphere is
1717 05dccd731b80c4d4e55b62936
5dccd731b80c4d4e55b62936- 17 : 3false
- 27 : 4false
- 37 : 5false
- 47 : 6true
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Answer : 4. "7 : 6"
Q: In triangle PQR, points A, B and C are taken on PQ, PR and QR respectively such that QC = AC and CR = CB. If ∠QPR = 40°, then ∠ACB is equal to:
1717 05dd3d746a46476101fbd7622
5dd3d746a46476101fbd7622- 1$$140^°$$false
- 2$$40^°$$false
- 3$$70^°$$false
- 4$$100^°$$true
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Answer : 4. "$$100^°$$ "
Q: Equation of the straight line parallel to x-axis and also 3 units below x-axis is:
1717 05def37702c071834c4fcb5ec
5def37702c071834c4fcb5ec- 1x = - 3false
- 2y = 3false
- 3y = -3true
- 4x = 3false
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Answer : 3. "y = -3"
Q: A sum of Rs.13,000 is to be paid back in 2 equal annual instalments. How much is each instalment if the interest is compounded annually at 8 % per annum?
1717 05fc475cda5adbb0808cff29c
5fc475cda5adbb0808cff29c- 1Rs.7280false
- 2Rs.7290true
- 3Rs.7270false
- 4Rs.7920false
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Answer : 2. "Rs.7290"
Q: In the given figure, PQRS is square whose side is 8 cm. PQS and QPR are two quadrants. A circle is placed touching both the quadrants and the square as shown in the figure. What is the area ( in cm2 ) of the circle ?
1716 0600a891dbaeda263c3c8673f
600a891dbaeda263c3c8673f- 1$$ {19\over 39}$$false
- 2$$ {20\over 21}$$false
- 3$$ {11\over 14}$$true
- 4$$ {11\over 19}$$false
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Answer : 3. "$$ {11\over 14}$$"
Q: If an article is sold at 200 % profit then the ratio of its cost price to its selling price will be
1716 05dcb89e2e9d33d6509bd9e1c
5dcb89e2e9d33d6509bd9e1c- 11 : 2false
- 22 : 1false
- 31 : 3true
- 43 : 1false
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Answer : 3. "1 : 3 "
Q: How much parts of the pits, which are 48 meters long, 16.5 meters wide and 4 meters deep, can be filled in the soil, which is obtained by cylindrical tunnel of 4 meters diameter and 56 meters long?
1716 05f4df6cd82369c1d6113def5
5f4df6cd82369c1d6113def5- 1$$ {1\over 9}$$false
- 2$$ {2\over 9}$$true
- 3$$ {7\over 9}$$false
- 4$$ {8\over 9}$$false
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