The surface areas of three faces of a cuboid sharing a vertex are 20, 32 and 40 sq. mts. What is the volume of the cuboid in cub. m?
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ΔABC is an equilateral triangle and D, E are midpoints of AB and BC respectively. Then the area of ΔABC : the area of the trapezium ADEC is
If a+b-62+a2b2+1+2b=2ab+2a, then the value of a is
Simplify : 132 - 142 + 172 - 250 = ?
Which of the following will yield a reclining decimal?
A solid sphere of radius 3 cm is melted to form a hollow right circular cylindrical tube of length 4 cm and external radius 5 cm. The thickness of the tube is
Find the circumference (in cm) of a circle of radius 10.5 cm
If the length of the side of an equilateral triangle is 6 cm, what is its area?