Some amazing maths tricks
11 देखि 19 सम्म गुणान (Multiply) गर्दा यसरि गर्न सकिन्छ |
Example : 11x19
First
=1+19=20, =>last one digit from 11+last 2 digit from 19
Second
then multiply by last digit of both
= 1x9=9
write down the value=20 first & 9 From second
=20,9 =209
again,
12x17
first
=17+2=19
second
7x2= 14
Now add like this
19
14
=204
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