Verbal Reasoning - Mental Ability Questions

From the given alternative words, select the word which cannot be formed using the letters of the given word:

CONCENTRATION

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
19, 29, 40, 44, ?

Engineer is related to Engineering in the same way as Doctor is related to

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Bit, Byte, Kilobyte, Megabyte, ?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

? , Planning, Strategy, Marketing, Finance

Select the missing number from the given alternatives:

In the given diagram, Set U is the universal set and Set L, M and N represent students studying History, Geography and Language, respectively.

What is the total number o students studying History and Geography but NOT Language?

A boy leaves his school and travels 8 km towards the east. He takes a left turn and travels 6 km in that direction, and then turns towards the east and travels another 5 km. Finally, he turns right and travels 10 km. In which direction is he now from his school?