Mensuration Questions Practice Question and Answer
8 Q: Base of the right prism is an equilateral triangle. If its height reduced to one-fourth and each side of the base is tripled, then the ratio of the volumes of the old prism to the new prism is-
1064 060c19c25c8f0c93c707631d4
60c19c25c8f0c93c707631d4- 14 : 9true
- 29 : 4false
- 37 : 9false
- 45 : 7false
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Answer : 1. "4 : 9 "
Q: In a triangle, lengths of all the three medians are 9 cm, 12 cm. and 15 cm respectively. Then what will be the area of the triangle?
1061 060c345203ef9d27847d0fe1e
60c345203ef9d27847d0fe1e- 154 $$cm^2$$false
- 260 $$cm^2$$false
- 336 $$cm^2$$false
- 472 $$cm^2$$true
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Answer : 4. "72 $$cm^2$$"
Q: If the side of the square is increased by 30%, then how much % does its area get increased?
1058 05e843bc185838711431c0395
5e843bc185838711431c0395- 159%false
- 269%true
- 379%false
- 449%false
- 5None of thesefalse
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Answer : 2. "69%"
Q: If the area of a circle inscribed in a square is 9π $$ {}\ cm^2 $$, then the area of the square is
1058 05d70a32e3b18207684daed7c
5d70a32e3b18207684daed7c- 1$$ {24}\ cm^2 $$false
- 2$$ {30}\ cm^2 $$false
- 3$$ {36}\ cm^2 $$true
- 4$$ {81}\ cm^2 $$false
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Answer : 3. "$$ {36}\ cm^2 $$"
Q: Balls of marbles of diameter 1.4 cm are dropped into a cylindrical beaker containing some water and fully submerged. The diameter of the beaker is 7 cm. Find how many marbles have been dropped in it if the water rises by 5.6 cm?
1044 05d70a79856d6e076952aefad
5d70a79856d6e076952aefad- 150false
- 2150true
- 3250false
- 4350false
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Answer : 2. "150"
Q: If the length and breadth of a rectangle are in the ratio 3:2 and its perimeter is 20 cm, then the area of the rectangle (in cm2) is
1043 05d709baa3b18207684dae264
5d709baa3b18207684dae264- 1$$ {24}\ cm^2 $$true
- 2$$ {36}\ cm^2 $$false
- 3$$ {48}\ cm^2 $$false
- 4$$ {12}\ cm^2 $$false
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Answer : 1. " $$ {24}\ cm^2 $$"
Explanation :
2(3x+2x)=20
x=2
then the length and breadth of a rectangle is 6, and 4
The Area of Rectangle will be Length*breadth=6*4=24 cm2
Q: The difference of the areas of two squares drawn on two line segments of different lengths is 32 sq.cm, Find the length of the greater line segment if one is longer than the other by 2cm.
1040 05d709a4e3b18207684dae1df
5d709a4e3b18207684dae1df- 17 cmfalse
- 29 cmtrue
- 311 cmfalse
- 416 cmfalse
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Answer : 2. "9 cm"
Explanation :
According to question given that x2-y2=32, and x-y=2
then we find x and y
Q: Let ABCD be a quadrilateral. Let the diagonals AC and BD meet at O. Let the perpendicular drawn from A to CD meet CD at E. Further, AO: OC = BO: OD, AB = 30 cm. CD = 40 cm. and the area of the quadrilateral ABCD is 1050 cm2. What is BE equal to?
1028 060f7e2705ae2256f5e7fda33
60f7e2705ae2256f5e7fda33- 130√2true
- 240√2false
- 360√2false
- 420√2false
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