Pick an odd number in the given number series?

4 12 38 87 198

If it was Friday on 3rd date of a month, then which day would come on the 4th day after 21st date of that month?

Select the appropriate options for the following questions:

FILM:  ADGH :: MILK:?

Find the odd word from the following:

If in a certain language, COVET is written as FRYHW, then the code ‘SHDUO’ is used for which word?

Direction (6-10): Study the following information carefully to answer these questions.

Eight persons A, B , C , D, E , F , G and H work for three different companies namely X, Y and Z. Not more than three persons work for a company. There are only two ladies in the group who have different specialization in each HR, Finance and Marketing. One member is an engineer and one is a doctor.  H is an HR Specialist and works with a marketing specialist B who does not work for company Y. C is an engineer and his sister work in company Z. D is a specialist in HR working in company X while her friend G is a finance specialist and works for company Z. No Two persons having the same specialization work together. Marketing specialist F works for company Y and his friend A who is a finance expert works for company X in which only two specialists work. No lady is a marketing specialist or a doctor.

Who amongst friends is a doctor?