Verbal Reasoning - Mental Ability Questions

If WORK = 7935, ROCK = 3587 and WART = 1945, which digit stands for T?

If "*" denotes "added to", "&" denotes "divided by", "@" denotes "multiplied by" and "%" denotes "subtracted from", then 399 & 19 @ 21 % 41 * 100 = ?

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

9, 17, 44, 108, 233, ?

P started walking from North to South. She turned right at right angle and then again right at right angle. In which direction was she ultimately walking?

If 30%6 = -5, 10%5 = -2 and 10%2 = -5, then find the value of 80%8 = ?

If 4Δ2 = 60, 7Δ9 = 160 and 8Δ3 = 110, then find the value of 3Δ2 = ?

The weights of 4 boxes are 30, 20, 50 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?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
1, 5, 30, 210, 1680, ?