If x=2+32-3, then what is the value of x+1/x ?
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A spherical glass vessel has a cylindrical neck 7 cm long and 4 cm in diameter. The diameter of the spherical part is 21 cm. Find the quantity of water it can hold.
If the sum of squares of two real numbers is 41 and their sum is 9. Then the sum of cubes of these two numbers is
ΔABC is right angled at B. BD is its altitude. AD = 4 cm and DC = 12 cm. What is the value of AB (in cm)?
Expand : S + 23
The diagonals of two squares are in the ratio 5:2.The ratio of their area is
Reflection of the point (3,-6) in the y-axis is
What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?
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