A and B can complete a work in 15 days and 20 days respectively. If they work together for 5 days, how much work is left?

A. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics

If '123' represents 'ABC', what does '456' represent in the same code?

A. DEF

Which word is a synonym for 'difficult'?

B. CHALLENGING
Posted in:  Synonyms -  Vocabulary -  English

Find the missing letter in the series: b, d, f, h, ?

A. J

If 'APPLE' is coded as '13524', 'BANANA' as '214213', and 'GRAPE' as '71524', what is the code for 'RAP'?

A. 752