A cone is hollowed out of a solid wooden cube of side 6 cm. The diameter and height of the cone is same as the side of the cube. What is the volume of the remaining cube?
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A sum becomes 1.69 times of itself in 2 years when invested at compound interest. What is the per annum rate of interest (in percentage)?
15 small rods, each of length 23 2/7 m are joined to make a big rod. What then is the length of the big rod?
If the radius (r) of a circle is increased by 'x' units, what is the number of units by which the circumstance of the circle is increased?
Rs. 10000 is being compounded at 20% per annum. Calculate the amount after 2 years if rate of interest is charged half yearly.
If Tan A = 15/8 and Tan B = 7/24, then Tan (A - B) = ?
Triangle ΔXYZ is similar to ΔPQR. If XY:PQ=5:1. If Area of ΔPQR is 5 sq cm, what is the area (in sq cm) of ΔXYZ?
The orthocentre of a triangle is the point where