I have 100 rupees.i spent 40rs than left 60rs again spent 30rs left 30rs again spent 18rs left 12rs again spent 12rs. after total aum I have 102 rs

Question

मेरे पास 100 रुपये थे

 

40 खर्च किया  60 बचे

30 खर्च किया  30 बचे

18 खर्च किया  12 बचे

12 खर्च किया  00 बचे

____________________

100                102

 

 

 

 

Answer 1

Why do you go to the 5th step

Just look at first two steps

40 खर्च किया 60 बचे
30 खर्च किया 30 बचे

 

Now add

one side is 70 and other is 90

Can we add like this ?