Mathematics Problem Solving Tricks

I want to know about some tricks to solved Mathematics Problem, can you please provide me that ?

[Quick Sam]

In mathematics these kinds of questions come such as:
Age
Area
Average
Banker's Discount
Boats and Streams
Calendar
Chain Rule
Clock
Decimal Fractions
H.C.F. and L.C.M.
Height and Distance
Logarithm
Mixtures and Alligations
Numbers
Partnerships
Percentage
Permutations and Combinations
Pipes and Cistern
Probability
Profit and Loss
Races and Games
Series - Odd Man Out
Series - Find Missing Number
Simple Interest
Compound Interest
Simplification
Square Root and Cube Root
Stocks and Shares
Surds and Indices
Time and Distance
Time and Work
Trains

For solving these problems you can use these tricks:

For solving problems quickly students needs to learn tables, squares and cubes.

For solving problems quickly most important thing is practice.

For this students needs to learn some short cuts like all formulas.

Use some good books and do practice according to this.

Solve questions many times.