PR is a tangent to a circle with centre O and radius 4 cm at point Q. If ∠POR = 90°, OR = 5 cm and OP = 20/3 cm, then the length of PR is:
Select the odd word/letters/number/number pair from the given alternatives.
Expand and simplify (2x + 5)2 *(4x - 1) - (3x3 - 16x2 + 25x - 21)
A cone is hollowed out of a solid wooden cube of side 7 cm. The diameter and height of the cone is same as the side of the cube. What is the volume of the remaining cube?
Reflection of the point (2,-4) in the origin is
By increasing the price of entry ticket to a fair in the ratio 5:7, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?
Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?
What smallest number should be added to 2401 so that the sum is completely divisible by 14 ?
What is the altitude of an equilateral triangle whose side is 12 cm?
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