Question

Class work .a man travels the first part of his journey at 30 km/h and the remaining part at 90 km/h, and he covers the entire journey at an average speed of s0 km/h. what is the ratio of the distance he covered at 30 km/h to that he covered tich in turn at 90 km/h?



c.2:3 (d) 3:4 2. winslet starts from coimbatore at 6 am. at a constant speed of 40 km/h. she halts at mettupalayam for half an hour and then drives at 70 km/h. she reaches ooty at 9:30



a.m. which is 180 km away from coimbatore. what is the distance between mettupalayam and ooty? (a) 120 km (b) 140 km (c) 100 km (d) 130 km

Answer 1

don't know please solve