Bank Math Master২টি পরীক্ষায় এসেছেপ্রশ্ন ১২A biker was riding at 60 km/h, but if he had gone at 80 km/h, he could’ve gone 100 km more in the same time. How far did he actually travel?ক300 kmখ250 kmগ380 kmঘ290 kmউত্তর দেখুন