a3−21a−20a3-21a-20 এর একটি উ’পাদক হলো- Created September 27, 2024 Reading time Less 1 min Views 5 Q and A, মাধ্যমিক সহকারী শিক্ষক নিয়োগ পরীক্ষা a3−21a−20a3-21a-20 এর একটি উ’পাদক হলো- (a+2) (a+1) (a-2) (a-1) Answer: (a+1) Explanation:
Train X leaves Dhaka at 10:00 AM and travels East at a constant speed of x miles per hour . If another Train Y leaves Dhaka at 11:30 AM and travels east along the same tracks at speed 4x/3 , then at what time will Train Y catch Train X ?
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