Jashim and Imran start walking from A to B at 5 and 3 km per hour respectively. Jashim reaches B and starts back for A. How far from B will he meet Imran if the distance between A and B is 32 km?
Solution
Correct Answer: Option B
32 km দূরত্ব পার হতে Jashim এর সময় = 32/5 = 6.4 h
∴ ঐ একই সময়ে Imran এর অতিক্রান্ত দূরত্ব = 6.4 × 3 = 19.2 km
অবশিষ্ট দূরত্ব = _(32 - 19.2) = 12.8
মনে করি, সময় = x hour
প্রশ্নমতে, 5x+3x = 12.8
⇒8x = 12.8
⇒x= 1.6 hour
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