1.
Addition : Vedic
2.
Subtraction : Vedic
3.
Multiplication : Vedic
4.
Division : Vedic
5.
Fraction : Trick
6.
Decimal Number : Trick
7.
Number System : Trick
8.
LCM
9.
HCF
10.
Average
11.
Percentage
12.
Profit Loss
13.
Speed Distance Time
14.
Mensuration
15.
Area & Perimeter
16.
Introduction
17.
Probability?
18.
Train & Speed
19.
Simple Interest
20.
Angle & Triangle