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An equilateral triangle plate is to be cut into n number of identical small equilateral triangle plates. Which of the following can be a possible value of n ?

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Important Questions on Measurement

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In an isosceles trapezium ABCD,Pand Q are the mid-points of diagonals BD and AC, respectively, and PQ=4 cm. The perpendicular drawn from A on BD is 5 cmand that from C on BD is 6 cm and each of the diagonals measure 8 cm. Find the length of the sides of AB and CD, given that the height of the trapezium is 4 cm.
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Consider a cylinder of radius 7 cm and height 14 cm. There is an intelligent ant that needs to travel on the surface of the cylinder. In order to travel to any point on the surface of the cylinder, the ant always chooses the shortest path. What is the distance, along the outer surface of the cylinder, of the point on the top of the cylinder for which the ant requires maximum time to reach?
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There are 2 identical hollow cubical vessels A and B. A contains 64 identical solid spherical metallic balls. B contains 27 identical spherical balls of the same metal. In each cube, the balls are packed in such a manner that no more balls can be packed (of course balls in A will not be the same as balls in B). Which cube is heavier?
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There is a fan with 3 blades at 120° to each other. Its central circular disc has an area of 3πcm2 and length of the blade is(20-3)cm . If the tips of the blades are joined so as to form an equilateral triangle, then what will be its area?
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In the given figure, radius of the circle is 2.5 cm. O is the centre of the circle and OB bisects angle ABC. What can be the maximum area of ABCD ?

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In the given regular heptagon ABCDEFG, AB=a, AC=b, and AE=c. Which of the following statements are true?

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An insect wants to travel from one bottom corner to the opposite top corner inside a room of dimension 6×8×10 units. What is the minimum distance that the insect needs to travel?

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In the figure given below, ABCD is a square of side length 4 units which has four symmetric cuts at all its corners. Find the area of the shaded portion.

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