Verbal Reasoning - Mental Ability Questions

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Travelling

If the first 10 terms and the last 10 terms of the given expression are interchanged in such a way that the first term is interchanged with the last, the second with the second last, the third with the third last and soon, what will the fifth term from the right be in the new arrangement?

RB75E%M3W48Q9#B2A$MS

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
Superconductors

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

nature, ensure, tense, spent, spurn, ?

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

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

TUW, ZAC, FGI, LMO, ?

Out of the 100 nature lovers, 20 people wanted to see only bison, 30 wanted to see both bison and tiger, 15 wanted to see only leopard, 25 wanted to see only tiger, 5 wanted to see both bison and leopard and the remaining wanted to see only bear.

How many people who wanted to see bison did not want to see leopard?

The weights of 4 boxes are 30, 70, 60 and 90 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?