In one set there is one word which is different from the other. Find it out:

A mother is five times as old as her daughter. In 15 years she will be twice as old. How old is the mother at present?

In a certain code language ‘069’ means ‘grapes are sweet’, ‘476’ means very sweet fruit and ‘509’ means ‘grapes are ripe’. Which of the following digits means ‘ripe’ in that language?

If ‘red’ is called ‘air’, ‘air’ is called black, ‘black’ is called sky, ‘sky’ is called blue ‘blue’ is called ‘wind’ and ‘wind’ is called ‘white’ where do birds fly?

In a certain code language THOUGHT is written as 7358237 and ‘ROW is written as 659. How is GROWTH written in that code?

If in a clock the numbers 1 to 12 are replaced with alphabet starting from K, then which of the options will indicate the time 6 O’ clock?