Fill the blank in the following letter series: QAR, RAS, SAT, TAU, _____ .

If 8 Ω 5 = 3048 and 7 Ω 4 = 2442, then 6 Ω 3 = ?

If "WATER" is coded as "YCVGT". how is "FIRE" coded?

If yesterday was a day that is two days before Thursday, what day is tomorrow?

A man walks 5 km north, turns right and walks 3 km, then turn right and walks 5 km. How far and in which direction is he from his starting point?

In a class, Rahim ranks 7^th from the top and 26^th from the bottom. How many students are in the class?

Three of the following four are alike in a certain way and so form a group. Which is the one that does not belong to that group?