A is the brother of B, C is the father of D, E is the mother of B. A and D are brother. How is E related to C?

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?
_qr_srq_p_rs_r_p

What is value placed at Question mark?
10.1: 1.01 ::  0.1: ?

A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement.
Input: go now 53 39 18 for again 66
Step 1 : 66 go now 53 39 18 for again
Step 2 : 66 again go now 53 39 18 for
Step 3 : 66 again 53 go now 39 18 for
Step 4 : 66 again 53 for go now 39 18
Step 5 : 66 again 53 for 39 go now 18
Step 6 : 66 again 53 for 39 go 18 now

Step 2 of an input is:   94 car 86 window shut 52 31 house
Which of the following is definitely the input?

Mohan travelled 5 km towards the West. Then he travelled 3 km. after turning to the left, then 9 km. after turning to the right. Then he went 3 km. towards the North. How far is he from the starting point?

Which answer figure is the exact mirror image of the given question figure?

In the following questions complete the number series :
204, 100, 48, 22, ___

Four forms of a dice are shown below. In this dice which digit will be on the surface opposite to the digit 1?