Three numbers are in the ratio of 3:5:10 and their LCM is 630. Find their HCF.
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A line passing through the origin perpendicularly cuts the line 2x + 3y = 6 at point M. Find M?
Find out the odd word/letters/number/number pair from the given alternatives.
The diagonal of a square equals the side of an equilateral triangle. If the area of the square is 12 sq cm, what is the area of the equilateral triangle?
If θ>0, be an acute angle, then the value of it in degrees satisfying cos2θ-3cosθ+2sin2θ=1 is
Find two numbers such that their mean proportion is 16 and third proportion is 1024.
If the elevation of the Sun changes from 30° to 60° , then the difference between the lengths of shadows of a pole 15 m high, is
In ∆DEF measure of angle E is 90°. If secD = 25/7, and DE = 1.4cm, then what is the length (in cm) of side DF?
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