Find the odd word pair out from the given

Solution

The logic followed here is: In all the pairs, the 2nd word represents unit of measurement used for measuring the quantity represented by the 1st word.   Angle : Radians à Radians is the unit of measuring angle. Energy : Joule à Joule is the unit of measuring energy. Luminosity : Degrees à Candela is the unit of measuring luminosity. Degrees is the unit of measuring temperature. Current : Ampere à Ampere is the unit of measuring current.   Thus, ‘Luminosity : Degrees’ is the odd one out. Hence, the correct answer is (C).