সব প্রশ্নে ফিরে যান
Math
A is faster than B,A and B each walk 24km. The sum of their speeds is 7 km/hr and the sum of times taken by them is 14 hours. Then, A's speed is equal to :
A) 3 km/hr
B) 5 km/hr
C) 4 km/hr
সঠিক উত্তর
D) 7 km/hr