Verbal Reasoning - Mental Ability Questions

If "#" means "subtraction", "&" means "division", "@" means "addition" and "%" means "multiplication", then 217 & 7 # 3 @ 2 % 7 = ?

A girl walks 30m towards south, thn turning to her right she walks 30m, then turning to her left, she walks 20m, again she turns to her left and walks 30m. How far is she from her initial position?

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement:
A = M >P, N > R, A > T
Conclusion:
I. T = P
II. R < A

The weights of 4 boxes are 20, 30, 40 and 60 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?

Rohan walks a distance of 3 kms towards North, then turns to his left and walks for 2 kms. He again turns left and walks for 3kms. At this point he turns to his left and walks for 3 kms. How far is he from the starting point?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. ? , Kerosene, Diesel, Fuel oil

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

s_r_t_s_r

If 15@7=44; 5@4=18; 6@17=46; then what is the value of 17@4=?