Lakshya Education MCQs

Question: When a ball bounces, it rises to $$\frac{2}{3}$$ of the height from which it fell. If the ball is dropped from a height of 36 m, how high will it rise at the third bounce ?
Options:
 A. $$10\frac{1}{3}$$ m B. $$10\frac{2}{3}$$ m C. $$12\frac{1}{3}$$ m D. $$12\frac{2}{3}$$ m

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More Questions on This Topic :

Question 1. The sum of perimeters of the six faces of a cuboid is 72 cm and the total surface area of the cuboid is 16 cm2. Find the longest possible length that can be kept inside the cuboid :
1.    5.2 cm
2.    7.8 cm
3.    8.05 cm
4.    8.36 cm
Question 2. The surface area of a cube is 150 cm2. Its volume is :
1.    64 $${\text{c}}{{\text{m}}^3}$$
2.    125 $${\text{c}}{{\text{m}}^3}$$
3.    150 $${\text{c}}{{\text{m}}^3}$$
4.    216 $${\text{c}}{{\text{m}}^3}$$
Question 3. If three equal cubes are placed adjacently in a row, then the ratio of the total surface area of the new cuboid to the sum of the surface areas of the three cubes will be ?
1.    1 : 3
2.    2 : 3
3.    5 : 9
4.    7 : 9
Question 4. The base of a pyramid is an equilateral triangle of side 1 m. If the height of the pyramid is 4 metres, then the volume is :
1.    0.550 m3
2.    0.577 m3
3.    0.678 m3
4.    0.750 m3
Question 5. Each side of a cube is decreased by 25%. Find the ratio of the volume of the original cube and the resulting cube = ?
1.    64 : 1
2.    27 : 64
3.    64 : 27
4.    8 : 1
1.    $$\sqrt 2$$ : $$\sqrt 3$$