do anko ki sankhya ka dahai ank ikai ank ka tinguna hai Yadi ank badal diya jaye to prapt sankhya mul sankhya se 36 kam..
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Answer:
62
Step-by-step explanation:
let be a ones place no.=x
tens place no.=3x
required no.=31x
inverse no.=13
difference between them =36
31x -13x=36
18x=36
x=2
then required no.=31×2=62
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