Video-428। Ratio & Proportion in Bengali। Anupat Abong Samanupat। Madhyamik Maths for Class 10।

Ratio &Proportion in Bengali। Anupat Abong Samanupat in Bengali। Madhyamik Maths for Class 10 of West Bengal Board (WBBSE)। Ganit Prakash Maths Book solutions। Exercise -5.3, Question- 6(ii)