Verbal Reasoning - Mental Ability Questions

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

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

CARPENTER

Rearrange the jumbled letters to make meaningful words and then select the one which is different.

The weights of 4 boxes are 20, 40, 50 and 30 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?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

54 x 9 - 3 ÷ 4 = ?

Find the missing number from the given alternatives.

In the following question, select the related word pair from the given alternatives.

Grandmother : Female : : ? : ?

Select the related number from the given alternatives.
-3/7 : 7/3 :: 9/2 : ?