Math Quick Tricks : Finding Digits Sum
Digits Sum is found out adding all digits of a number.
For example : 234 : Digit Sum = 2+3+4 = 9
Similarly : Digit sum for number 24678 = 2+4+6+7+8 = 27 = 2+7 = 9
Now , this can be easily summed up by using casting/removing out of 9 method.
For example : Digit sum for 93 is 3. Cast out the 9 and hence answer is 3
Another example : Digit sum for 29731 is 4. Cast out 9 and 2 and 7 then you are just left with 3+1 = 4
Now if you have understood, please provide digit sum of below numbers. Please comment to this blog post :
3564221
45782314
No comments:
Post a Comment