Verbal Reasoning - Mental Ability Questions

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?

If the given interchanges namely signs + and / and numbers 2 and 4 are made in signs and numbers, which one of the following would be correct?

In the following question, select the related letters from the given alternatives.

NPBG : OQCH : : AJOT : ?

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

yes, rain, alive, subtle, ?

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

? , Lal Bahadur Shastri, Indira Gandhi, Morarji Desai, Choudhary Charan Singh

In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

14 x 10 ÷ 5 - 20 + 4 = ?

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

42 x 7 ÷ 7 + 9 - 62 = ?

In the following question, select the odd word from the given alternatives.