Arif starting from x goes to Y. t the same time Boby starts from Y and goes towards X. Once Arif reaches Y, he changes his direction and returns to X. Once Boby reaches X, he changes his direction and returns to Y. Throughout the journey, Arif travels at 54 kmph and Boby travels at 72 kmph. By the time they meet for the second tike, boby covers 36 km more than Arif. Find the distance (in km) between X and Y.
Created: 5 years ago |
Updated: 9 months ago
best des
The rate of difference between two is 18
So, 36 KM, is difference in two hours.
The distance covered in 2 hours is 2*72=144
The distance covered in 2 hours is 2*54=108
The total distance at the time of meeting second time is 3 times total distance i.e 3D
3D=144+108
3D=252
D=84
ঐকিক নিয়ম (Unitary Methods):
একটি জিনিসের দাম, ওজন, পরিমাণ ইত্যাদি বের করে নির্দিষ্ট সংখ্যক এই জাতীয় জিনিসের দাম, ওজন, পরিমাণ ইত্যাদি বের করার নিয়মকে ঐকিক নিয়ম বলে।
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