एक व्यक्ति , जो फेनिलकीटोन्युरिया रोग से प्रभावित है , वह किस रोग से पीडि़त होता है ? - A person who is affected by Phenylketonuria disease suffers from which disease? - Ek Vyakti , Jo phenilketoneuria Rog Se Prabhavit Hai , Wah Kis Rog Se Peedit Hota Hai ? General Science in hindi, Biology yakrut Ka Fail Hona question answers in hindi pdf mansik Jadta questions in hindi, Know About vrikk Ka Fail Hona General Science online test General Science notes in hindi quiz book napunsakta
the ratio of ages of A and B 4year before was 2:3 and after four (4)years it will becomes 5:7 after 2 years their age will be ......?