Verbal Reasoning - Mental Ability Questions

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

56 ÷ 8 + 12 - 72 = ?

The weights of 4 boxes are 20, 40, 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?

If ‘A’ means ‘+’, ‘B’ means ‘–’, ‘C’ means ‘×’ and ‘D’ means ‘÷’, then which of the following equation is true?

In the following series, one letter is missing as shown by the ?. Select the missing letter from the given options.

Q, N, K, H, ?

In the given series is written in the reverse order, then what will be the 5th term to the left of the 10th term from right end?

R+JM2$#QR?*O@7F3

Farhan travels 4 km in the north-east direction and then turns towards the south-east to travel another 3 km. How far is he now from his original position?

Select the odd word from the given alternatives.

Select the related word/letters/number from the given alternatives.
ACE : HJL:: LNP : ?