Verbal Reasoning - Mental Ability Questions

Amar moved 20km towards east in car from his home to reach hospital. From there he turned left and moved 30km and again move 20km left to reach his school. How far is his school from hospital?

If X's mother is the only daughter of Y's father, then Y's husband 's father is X's ___.

In the following question, select the missing number from the given series.
1, 3, 6, 11, 18, ?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
LOQ, SVX, ZCE, ?

If 13 # 9 = 94 and 18 # 7 = 100, then 24 # 6 = ?

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

XFB,UGD ,RIG ,OLK, ?

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

Jupiter, ? , Uranus, Neptune

Select the related word/letters/number from the given alternatives.
EFGH: LNPR : : ABCD : ?