The distance between two places P and Q is 700 Km. Two persons A and B started towards Q and P from P and Q simultaneously. The speed of A is 30 km/h and speed of B is 40 km/h. They meet at a point M which lies on the way from P to Q.
How long will they take to meet each other at M?
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since both of them are moving simultaneously so the total distance that will be covered by both of them will be 700km
if we add up the speed ,
it will be 30km/hr+40km/hr=70km/hr
now by basic time formula i.e t=d/s (distance /speed)
t=700÷70=10 hours
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