Here I am giving you information about all topics that will cover in aptitude test during placement examination are given below ..

Following are The important topics in an aptitude test

Profit and loss
Problems on age
Average
P and c
Square and cube roots
Chain rule
Simple interest partnerships
Odd man out ad series
Discounts
Height and distance
Boat and streams
Problems on trains
Time and date
Area
Calender
Pipes and cisterns
Probability

Numbers,
LCM of Numbers,
Decimal Fractions,
Simplifications,
Square Roots ,
Average ,
Problems on Numbers ,
Problems on Ages ,
Surds ,
Percentage ,
Ratio and Proportion ,
Partnership ,
Chain Rule,
Time and Work,
Time and Distance,
Allegation or Mixture ,
Simple Interest ,
Compound Interest ,
Logarithms ,
Area ,
Volume & Surface Areas ,
Races ,
Calendar,
Clocks,
Stocks and Permutations & combinations etc.