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Speed Calculations
Lesson 1 of 7 • 82 upvotes • 11:53mins
Siddharth Gupta
As you all know that addition is one of the most important arithmetic operation. Till this point of time even you have done addition more that a million times. But have you ever thought to do it fast? If not. Let's check out this video.
Speed Calculation Techniques for RRB NTPC
7 lessons • 1h 10m
1
Speed Calculations
11:53mins
2
Calculation Steps for Subtraction
9:13mins
3
Multiplication of N digit to One digit
10:14mins
4
Multiplication by 99,999,9999
9:46mins
5
Speed Calculation: Multiplication by 11 and 15
10:19mins
6
Calculating Squares of Numbers between 36 and 64
9:15mins
7
Squaring Method for Numbers ending with 5 or 25 and Numbers between 85 and 115
10:07mins
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