Mensuration Questions Practice Question and Answer
8 Q: The length of the diagonal of a square is ‘a’ cm. Which of the following represents the area of the square (in sq. cm.)?
718 0633192691fdfd616ed8dce88
633192691fdfd616ed8dce88- 12afalse
- 2$${a\over\sqrt { 2}\ }$$false
- 3$${a^2\over 2} $$true
- 4$${a^2\over 4} $$false
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Answer : 3. "$${a^2\over 2} $$"
Q: The curved surface area of a cylinder is five times the area of its base. Find the ratio of radius and height of the cylinder.
718 064ccdfd4b6a5e472e27fd4e3
64ccdfd4b6a5e472e27fd4e3- 12:3false
- 23:5false
- 32:5true
- 43:4false
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Answer : 3. "2:5"
Q: Two equal circles intersect such that each pass through the center of the other. If the length of the common chord of the circle is 10√3 cm, then what is the diameter of the circle?
716 06450e915f3618908bf57c1e3
6450e915f3618908bf57c1e3- 110 cmfalse
- 215 cmfalse
- 320 cmtrue
- 430 cmfalse
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Answer : 3. "20 cm "
Q: A solid metallic sphere of radius 12 cm is melted and recast into a cone having diameter of the base as 12 cm. What is the height of the cone?
714 0648725afbf323e479aa75ce3
648725afbf323e479aa75ce3- 1258 cmfalse
- 2224 cmfalse
- 3166 cmfalse
- 4192 cmtrue
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Answer : 4. "192 cm"
Q: The length of the perpendiculars drawn from any point in the interior of an equilateral triangle to the respective sides are p1 , p2 and p3 . The length of each side of the triangle is
709 0645cde3f1efb290ac2460040
645cde3f1efb290ac2460040- 1$${2\over \sqrt { 3}}+(p_1+p_2+p_3) $$true
- 2$${1\over \sqrt { 3}}+(p_1+p_2+p_3) $$false
- 3$${1\over \sqrt { 3}}+(p_1+p_2+p_3) $$false
- 4$${4\over \sqrt { 3}}+(p_1+p_2+p_3) $$false
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Answer : 1. "$${2\over \sqrt { 3}}+(p_1+p_2+p_3) $$ "
Q: In a circle with centre O, a diameter AB is produced to a point P lying outside the circle and PT is a tangent to the circle at the point C on it. If ∠BPT = 36°, then what is the measure of ∠BCP?
709 064b9165ce2108a723934f7bb
64b9165ce2108a723934f7bb- 1240false
- 2180true
- 3360false
- 4270true
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Answer : 2. "180" 4. "270"
Q: Area of the floor of a cubical room is 64 m2. The length of the longest rod that can be kept in the room is:
708 06481875e772333474b9de219
6481875e772333474b9de219- 1$$16 \sqrt { 2} $$false
- 2$$4 \sqrt { 3} $$false
- 3$$12 \sqrt { 3} $$false
- 4$$8 \sqrt { 3} $$true
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Answer : 4. " $$8 \sqrt { 3} $$"
Q: Area of a equilateral triangle is 400√3 sq.m. then perimeter is-
705 064537d0956b58a42369a7979
64537d0956b58a42369a7979- 1135 meterfalse
- 2120 metertrue
- 3150 meterfalse
- 490 meterfalse
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