Verbal Reasoning - Mental Ability Questions

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

a _ c a a b _ a _ b c a a b _ a _ b _ a

How many such letters are there in the below arrangement, each of which is immediately preceded by a number and NOT immediately followed by a letter?

Q@A3RI4*6T4&4O2^$WS

The weights of 4 boxes are 20, 90, 40 and 60 kilograms. Which of the following cannot be the total weight,in kilograms, of any combination of these boxes and in a combination a box can be used only once?

A leopard is chasing a prey. The leopard runs 2 km South, then turns West and runs 2.5 km, then turns North and runs 1.5 km, then it turns to its right and runs 2.5 km. Where is it now with respect to the starting position?

Three words in bold letters are given in each question, which have something in common among themselves. Out of the four given alternatives, choose the most appropriate description about these three words.

Hamlet: Macbeth: Faustus

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

If ! = ÷, # = +, ^ = x, then calculate the value of 32!4^7#5

The weights of 4 boxes are 90, 30, 40 and 60 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?