Mensuration Practice Question and Answer
8 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:
680 06481875e772333474b9de219
6481875e772333474b9de219- 1$$16 \sqrt { 2} $$false
- 2$$4 \sqrt { 3} $$false
- 3$$12 \sqrt { 3} $$false
- 4$$8 \sqrt { 3} $$true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. " $$8 \sqrt { 3} $$"
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.
677 064ccdfd4b6a5e472e27fd4e3
64ccdfd4b6a5e472e27fd4e3- 12:3false
- 23:5false
- 32:5true
- 43:4false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "2:5"
Q: Area of a equilateral triangle is 400√3 sq.m. then perimeter is-
676 064537d0956b58a42369a7979
64537d0956b58a42369a7979- 1135 meterfalse
- 2120 metertrue
- 3150 meterfalse
- 490 meterfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "120 meter "
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
675 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
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "$${2\over \sqrt { 3}}+(p_1+p_2+p_3) $$ "
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.)?
674 0633192691fdfd616ed8dce88
633192691fdfd616ed8dce88- 12afalse
- 2$${a\over\sqrt { 2}\ }$$false
- 3$${a^2\over 2} $$true
- 4$${a^2\over 4} $$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "$${a^2\over 2} $$"
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?
668 0648725afbf323e479aa75ce3
648725afbf323e479aa75ce3- 1258 cmfalse
- 2224 cmfalse
- 3166 cmfalse
- 4192 cmtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "192 cm"
Q: Diagonal of a given square is 4√2 cm. What is the diagonal of the other square whose area is double of the given square?
666 064537d9e223d4c08a7dfbde1
64537d9e223d4c08a7dfbde1- 18√2 cmfalse
- 216 cmfalse
- 37√3 cmfalse
- 48 cmtrue
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "8 cm"
Q: If a store room of a house is in the shape of a cuboid having a length of 3 m, a width of 2 m, and a height of 4m, find the total area of its four walls.
665 0643d11281ce944a93ea928f3
643d11281ce944a93ea928f3- 1$${{50cm^2}}$$false
- 2$${{20cm^2}}$$false
- 3$${{40cm^2}}$$true
- 4$${{24cm^2}}$$false
- Show AnswerHide Answer
- Workspace
- SingleChoice