Mensuration Questions Practice Question and Answer
8 Q: The height and the radius of the base of a right circular cone are 12 cm and 6 cm respectively. The radius of the circular cross-section of the cone cut by a plane parallel to its base at a distance of 3 cm from the base is
205 0638f342e34f83f1472981785
638f342e34f83f1472981785- 14 cmfalse
- 25.5 cmfalse
- 34.5 cmtrue
- 43.5 cmfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "4.5 cm"
Q: If S denotes the area of the curved surface of a right circular cone of height h and semi vertical angle ∝ then S equals
191 0638f327d34f83f147297f901
638f327d34f83f147297f901- 1$$πh^2 tan^2∝ $$false
- 2$${1\over 3}πh^2tan^2∝$$false
- 3$$πh^2sec∝tan∝$$true
- 4$${1\over 3}πh^2sec∝tan∝$$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "$$πh^2sec∝tan∝$$"
Q: The perimeter of a square and a circular field are same. If the area of circular field is 3850 sq meter. What is the area in meter of the square?
1269 05d7f24ad7f06bc6981e06804
5d7f24ad7f06bc6981e06804- 14225false
- 23025true
- 32500false
- 42025false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "3025"
Q: The perimeter of five squares are 24 cm, 32 cm, 40 cm, 76 cm and 80 cm respectively. The perimeter of another square equal in area to sum of the areas of these squares is:
233 06331946c5c208a6bf7024143
6331946c5c208a6bf7024143- 131 cmfalse
- 262 cmfalse
- 3124 cmtrue
- 4961 cmfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "124 cm "
Q: The length of diagonal of a square is $${15\sqrt { 2}}$$cm. Its area is
253 0633195855c208a6bf702481f
633195855c208a6bf702481f- 1$$112.5 cm^2$$false
- 2$$450 cm^2$$false
- 3$${225\sqrt { 2}\over 2}cm^2$$false
- 4$$225 cm^2$$true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "$$225 cm^2$$"
Q: From four corners of a square sheet of side 4 cm, four pieces, each in the shape of arc of a circle with radius 2 cm, are cut out. The area of the remaining portion is:
267 0633194d131300b7ce48a7bcc
633194d131300b7ce48a7bcc- 1(8– π) sq.cm.false
- 2(16–4 π) sq.cm.true
- 316–8 π) sq.cm.false
- 4(4–2 π) sq.cm.false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "(16–4 π) sq.cm. "
Q: A kite in the shape of a square with a diagonal 32 cm attached to an equilateral triangle of the base 8 cm. Approximately how much paper has been used to make it? (Use √3 = 1.732)
236 06332e8512ff7535af6729e43
6332e8512ff7535af6729e43- 1$$539.712 cm^2$$true
- 2$$538.721 cm^2$$false
- 3$$540.712 cm^2$$false
- 4$$539.217 cm^2$$false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "$$539.712 cm^2$$"
Q: The length of a plot is five times its breadth. A playground measuring 245 square metres occupies half of the total area of the plot. What is the length of the plot?
289 06332e8a75c208a6bf707e686
6332e8a75c208a6bf707e686- 135√2 metrestrue
- 2175√2 metresfalse
- 3490 metresfalse
- 45√2 metresfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice