ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?
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If (4x - 3) - (2x + 1) = 4, then the value of x is
If x = 93 , y = 93 , z = 94 then the value of x2 - y2 + 10xz + 10yz is
Select the odd word/letters/number/number pair from the given alternatives.
The areas of two similar triangles ΔXYZ and ΔPQR are 100 sq cms and 25 sq cms respectively. If PQ = 4 cm then what is the length of XY (in cm)?
The curved surface area and the diameter of a right circular cylinder are 660 sq.cm and 21 cm respectively. Find its height (in cm).
If tan(A/2) = x, then the value of x is
A man starts walking from a place X and reaches the place Y in 12 hours. He travels 3/7th of the total distance at the speed of 3 km/hr and the remaining distance at the speed of 4 km/hr. What is the distance (in km) between X and Y?