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 ?

Bank X pays a simple interest of TaKa 80 on principal o taka 1,000 annually . Bank y pays a simple interest of...

In a country , 60% of the male citizen and 70% of the female citizen are eligible to vote. 70% of male citizen...

The sum of two numbers is 5. And their product is 4 Then what is the difference between the numbers ?

The length of a rectangle is increased by 25% . By what percentage should the width be decreased so that the a...

Robi takes 3 minutes to inspect a car , and Sashi takes 4 minutes to inspect a car . If they both start inspec...

১৫টি ছাগলের মূল্য ৩টি গরুর মূল্যের সমান। ২০টি ছাগলের পরিবর্তে কয়টি গরু পাওয়া যাবে?