Find the missing number?

In a solid cube made up of 27 small cubes, two opposite sides yellow and two other side white. How many small cubes have the colours yellow and white alone in them?

The total age of a mother and her son is 60 years. The difference between their ages is 30 years. Find out the age of the mother.

Choose the odd word/letters/number/number pair from the given alternatives. 

Vimal is the son of Mikka, and Nina is the daughter of Milan. Milan is the sister of Mikka. Who is Milan to Vimal? 

Study the given pattern carefully and select the figure that will complete the given pattern in the question figure.

27,32,30,35, 33, ?