Verbal Reasoning - Mental Ability Questions

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

Rohan, after walking 5 km towards west, turns left and then walks for 12 km more. Find the shortest distance between his initial and final position.

In the following question, select the related number from the given alternatives.
243 : 578 : : 163 : ?

In a certain code, 329 means 'you are bad', 419 means 'bad is good' and 195 means 'nothing is bad'. ___ represents 'good'.

If 27 (15) 33 and 41 (13) 53, then what is the value of 'A' in 26 (A) 35?

'A' and 'B' are brothers. 'C' and 'D' are sisters. A's son is D's brother. How is B related to C?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
MN, PQ, TU, YZ, ?

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