Volume and Surface Area Questions Practice Question and Answer
8 Q: The ratio of the sides of a triangle is 3: 4: a and the area of this triangle is 216 square cm. And the perimeter of this triangle is 72 cm. Then the value of a will be -
743 05f80177988aba328edadbd87
5f80177988aba328edadbd87- 18 cmfalse
- 25 cmtrue
- 36 cmfalse
- 412 cmfalse
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Answer : 2. "5 cm"
Q: From a circle of radius a, a sector, which subtend an angle π/5 at the centre has been cut off. The perimeter of the remaining part of the circle is
780 05f8016aa0a69ab3becc7d2bf
5f8016aa0a69ab3becc7d2bf- 12πafalse
- 2$$ {π\over 5}{a}$$false
- 3$$ {7π\over 5}{a}$$false
- 4$$ {9π\over 5}{a}$$true
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Answer : 4. "$$ {9π\over 5}{a}$$"
Q: If an equilateral triangle is inscribed in a circle of area 48 π square units, then the perimeter of the triangle is:
1092 05f8015c6cf913626441d5987
5f8015c6cf913626441d5987- 172 unitsfalse
- 236 unitstrue
- 348 unitsfalse
- 4$${48}{\sqrt{3}}$$ unitsfalse
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Answer : 2. "36 units"
Q: The diameter of a wheel is 14 cm. How many rotations will it take to cover a distance of 44 kilometres?
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5f76eadb6cd8be7b4dbab83c- 144,000false
- 288,000false
- 370,000false
- 4100000true
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Answer : 4. "100000"
Q: The difference of the circumference and radius of a circle is 37 cm. Area of the circle is
1100 05f76ea644637db73284adc94
5f76ea644637db73284adc94- 1150 sq.cmfalse
- 284 sq.cmfalse
- 377 sq.cmfalse
- 4154 sq.cmtrue
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Answer : 4. "154 sq.cm"
Q: A square and an equilateral triangle are of the same perimeter. If the diagonal of the square is $$ {12\sqrt{2}}$$ cm long, then the area of the triangle is.
840 05f76e9c74637db73284ad4d5
5f76e9c74637db73284ad4d5- 1$$ {32\sqrt{3}}$$false
- 2$$ {64\sqrt{3}}$$true
- 3$$ {64\sqrt{2}}$$false
- 4$$ {48\sqrt{3}}$$false
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Answer : 2. "$$ {64\sqrt{3}}$$"
Q: The measure of a cuboid warehouse is (8 m x 6 m x 3 m). If each sack covers 0.48 cubic meters of space, how many maximum sacks can be kept in it?
752 05f76ca5853f6013e85c00da2
5f76ca5853f6013e85c00da2- 1221false
- 2300true
- 3320false
- 4None of thesefalse
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Answer : 2. "300"
Q: The ratio of the areas of two circles is 16: 25. What will be the ratio of their circumferences?
1060 05f76bab1e487e60dced7c88c
5f76bab1e487e60dced7c88c- 14 : 5true
- 23 : 2false
- 34 : 9false
- 49 : 4false
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