Arithmetical Reasoning Questions

The weights of 4 boxes are 10, 40, 50 and 80 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?

The number of letters that are preceded by a symbol but not followed by a number in the given expression is ___.

SM@A#N2B4O&3C5P+D2

Select the missing number from the given alternatives.

Find the missing number from the given options?

In the following question, select the missing number from the given options?

Select the missing number?

Select the missing number?

Select the missing number?