If HEROISM is coded as SVILRHN, then how will ALP be coded as?

Arrange the following words in the order of the dictionary-
1. Chemistry
2. Chamber
3. Cheap
4. Cheerful

A man drives his car 50 km towards an eastward direction. He turned right went for 30km, then he turned west and drive for 10 km. How far is he from the starting point?

_aa_ba_bb_ab_aab 

How many pair of letters are there in the word “EFFECTIVE” which has as many letters (in both forward and backward direction) in between as they have in English alphabet series?

Direction: Select the related word from the given alternatives.

Cataract: Eye :: Pneumonia:?

Direction : Study the following information to answer the given questions:
A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule. The following is an illustration of input and rearrangement.
Input : 52 peak 91 snow freeze 46 cold 15 high 31 73 trek
Step I : 15 52 peak snow freeze 46 cold high 31 73 trek 91
Step II: 15 31 52 peak snow freeze 46 cold high trek 73 91
Step III: 15 31 46 peak snow freeze cold high trek 52 73 91
Step IV: 15 31 46 cold peak snow freeze high trek 52 73 91
Step V : 15 31 46 cold peak freeze peak snow high trek 52 73 91
Step VI : 15 31 46 cold freeze high peak snow trek 52 73 91
Step VI is the last step of the rearrangement. As per the rules followed in the above steps, find out in each of the following questions the appropriate steps for the given input.
Input : 67 hot sun 19 best 83 ice 49 ace 77 cut 37
How many steps would be needed to complete the arrangement?

In a code language, EARN is written as 4073. What is the code for LIGHT?