Verbal Reasoning - Mental Ability Questions

From the given words, select the word which cannot be formed using the letters of the given word.
FAMISHED

If 6#30=5; 8#24=3; 7#28=4; then what is the value of 8#40=?

The following equation is incorrect. Which two signs should be interchanged to correct the equation? 15 x 18 - 6 ÷ 20 + 4 = 29

Dharun has a brother Anand. Dharun is the son of Kumar. Krishnan is Kumar's father. How is Anand related to Krishnan?

Select the related word/letters/numbers from the given alternatives:
3 : 243 :: 5 : ?

If A=1, HAT=29, then PAN=?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
60 x 5 + 3 ÷ 24 - 6 = ?

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

?, HI, OP, WX