Verbal Reasoning - Mental Ability Questions

What should be replaced in the place of '?' in the following series ?

QAR, RAS, SAT, TAU, ?

In each of the following questions find out the alternative which will replace the question mark.

Capriciousness : Reliability :: ?:?

Read the following passage and answer the questions based on it.

1) Vinay, Vinay, Vikas, Vasu, Vaibhav, Varun and Vishal are sitting around a circle facing at the center.

2) Vasu is the third to the right of Vikas.

3) Varun is second to the left of Vinay and second to the right of Vishal.

4) Vaibhav is third to the right of Vinod and is not an immediate neighbor of Varun.

Who is to the immediate right of Vikas?

Select the related word/letters/number from the given alternatives.

96 : 54 : : 89 : ?

Select the related letters from the given alternatives.

IJK : RQP :: TUV : ?

One morning after sunrise, Suresh was standing facing a pole. The shadow of the pole fell exactly to his right. To which direction was he facing?

In the following question, select the missing number from the given series.

11, 22, 44, 88, 176, ?

Yard is to Fence as Cell is to