If '@' means ‘×’, ‘C’ means ‘+’, ‘%' means ‘+’ and ‘$’ means ‘−’, then what is the value of
6%12C3@8$3?

Based on the statements in (1) – (4), which option/s is/are correct?  
(1)   Thor has a female sibling                             
(2)   Thor has a sister
(3)   Thor has visited New Delhi
(4)   Thor has visited India
In the following truth table, what does X stand for?

 
Find the letter to be placed in '?' 
What is 'X' in the following table?
Find the missing number from the given options: 