Verbal Reasoning - Mental Ability Questions

If X has two sisters - Y and Z, and W's mother is the sister of Y's father, then W is Z's ___.

How many triangles are there in the given figure?

In the following question, select the related letters from the given alternatives.
FS : LY : : IV : ?

The speed of Duranto is more than the speed of Rajdhani. Shatabdi moves faster than Garib Rath but slower than Rajdhani. Which one is the slowest?

If x means +, + means ÷, − means x and ÷ means −, then 8x7−8+40÷2 = ?

In a certain code language, "CERTAIN" is written as "DFSTBJO". How is "CRICKET" written in that code language?

In the following question, select the related number from the given alternatives.
7 : 48 : : 11 : ?

If in a code language 3456 = ROPE and 15526 = APPLE then 54613 = ?