Select the odd word from the given alternatives.
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In the following question, out of the four alternatives, select the word opposite in meaning to the word given.
Hazardous
The radii of two concentric circles are 68 cm and 22 cm. The area of the closed figure bounded by the boundaries of the circles is
A solid brass sphere of radius 2.1 dm is converted into a right circular cylindrical rod of length 7cm. The ratio of total surface areas of the rod to the sphere is
If x = 11, the value of x5 - 12x4 + 12x3 - 12x2 + 12x - 1 is
α and β are the roots of quadratic equation. If α + β = 8 and α – β = 2√5, then which of the following equation will have roots α4 and β4?
A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. Working together they can do the work in
The distance between the points (4, 8) and (k,-4) is 13. What is the value of k?
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