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If each edge of a cube is doubled, How many times will its surface area increases?

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Important Questions on Advance Maths

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Embibe Quantitative Aptitude>Chapter 2 - Advance Maths>Exercise 5>Q 31
The number of bricks, each measuring 25 cm×12 cm×45 cm, needed to construct a wall 10 m long, 5 m high, and 50 cm thick, is _____.
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Embibe Quantitative Aptitude>Chapter 2 - Advance Maths>Exercise 5>Q 32
The difference between the radii of the bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm2 . Radius of the smaller circle is _____.
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Embibe Quantitative Aptitude>Chapter 2 - Advance Maths>Exercise 5>Q 33
Area of a square is four times the area of a rectangle whose length and breadth are in ratio of 1:4. If the perimeter of rectangle is 50m, then what is the perimeter of square?
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Embibe Quantitative Aptitude>Chapter 2 - Advance Maths>Exercise 5>Q 34
The radius of a circle is twice the side of a square, whose area is 196 m2. The length of the rectangle is twice the diameter of the circle. What is the perimeter of a rectangle if its breadth is half the length?
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Embibe Quantitative Aptitude>Chapter 2 - Advance Maths>Exercise 5>Q 35
The ratio between the base radius and the height of a solid circular cylinder is 2:5. If its curved surface area is 39607 cm2., find the height of the cylinder.
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Embibe Quantitative Aptitude>Chapter 2 - Advance Maths>Exercise 5>Q 36
A hollow cylindrical iron pipe is of length 28 cm. Its outer and inner diameters are 8 cm and 6 cm respectively. Find the weight of the pipe. If 1 cm3 Of iron weights 7 gm.
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Embibe Quantitative Aptitude>Chapter 2 - Advance Maths>Exercise 5>Q 37

A cone, a hemisphere, and a cylinder have equal bases. If the heights of the cone and a cylinder are equal and are the same as the common radius, then find the ratio of their respective volumes.

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Embibe Quantitative Aptitude>Chapter 2 - Advance Maths>Exercise 5>Q 38
If the right circular cone is cut into three solids of volumes V1,V2 and V3 by two cuts which are parallel to the base and trisect the altitude, then V1:V2:V3 is _____.