Directions for questions 1-15: Find the synonyms of the following words
See Synonym.com for The exact synonyms and antonyms for these
1. Depreciation
Ans. Deflation, Depression, Devaluation, fall, slump in value
2. Deprecate
Ans. Feel and express disapproval of
3. Incentive
Ans. Thing one encourages a person to do something
4. Echelon
Ans. Level of authority or responsibility
5. Innovation
Ans. To make changes or introduce new things
6. Intermittent
Ans. Externally stopping and then starting
7. Detrimental
Ans. Harmful
8. Aberration
Ans. Deviation
9. Conciliation
Ans. To make less angry or more friendly
10. Orthodox
Ans. Conventional or superstitious
11. Fallible
Ans. Liable to err
12. Volatile
Ans. Ever changing
13. Manifestation
Ans. Clear or obvious
14. Connotation
Ans. Suggest in addition to the fundamental meaning
15. Reciprocal
Ans. Reverse, Opposite
16. Merry
Ans. Gay, Happy
17. Alienate
Ans. Estrange
18. Solicit
Ans. To request
19. Heap
Ans. To pile
20. Cargo
Ans. Freight
21. Momentary
Ans. Transient
22. Volume
Ans. Quantity
23. Veer
Ans. Diverge
24. Dispel
Ans. Dissipate
25. Admonish
Ans. Cautious
26. Meager
Ans. Scanty
27. Latitude
Ans. Scope
28. Latent
Ans. Potential
29. Covet
Ans. Crave
30. Discretion
Ans. Prudence

Though most placement papers are considered quite similar, some parts like English language questions vary in type and difficulty. You can always study the English language problems at the sites like synonym.com or dictionaries. Good luck..