ଯଦି ଏକ ଭଗ୍ନାଂଶର ଲବ 20% ବୃଦ୍ଧି ହୁଏ ଏବଂ ହର 30% ହ୍ରାସ ହୁଏ, ପ୍ରାପ୍ତ ଭଗ୍ନାଂଶ \(\frac{{39}}{{25}}\) ଅଟେ | ମୂଳ ଭଗ୍ନାଂଶ ହେଉଛି:

1
\(\frac{{67}}{{75}}\)
2
\(\frac{{100}}{{91}}\)
3
\(\frac{{75}}{{68}}\)
4
\(\frac{{91}}{{100}}\)

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