If $x^2 - 6x + α = 0 has two roots α, β and 3α + 2β = 20, then find a.

A. - 16
Posted in:  Quadratic Equations -  Algebra -  Mathematics

Complete analogous pair - Wool : Sheep : : Mohair : ?

B. GOAT

Earth is related to Axis in the same way as Wheel is related to ......

D. HUB
Posted in:  Simple Analogy -  Analogy -  Verbal Reasoning

Choose analogous pair - Graphite : Lubricant

D. DIAMOND : ABRASIVE

Choose or find odd pair of words - (Death : Disease) , (Milk : Butter) , (Grape : Wine) , (Water : Oxygen)

A. DEATH : DISEASE