Question

24. Daily earnings of two persons are in the ratio 4:5 and their daily expenses are in the ratio
7:9. If each saves 50 per day, their daily earnings in are
(a) (40, 50)
(b) (50, 40)
(c) (400, 500) (d) none of these
25. The ratio between the speeds of two trains is 7: 8. If the second train runs 400 kms. in 5
hours, the speed of the first train is
(a) 10 Km/hr (b) 50 Km/hr (c) 70 Km/hr (d) none of these​

Answer 1

Answer:

(c) 400,500

(c) 70 km/hr