DSSSB · Mathematics
The speeds of two trains are 144 km/h and 30 m/s respectively. What is the ratio of their speeds?
- 4:3
- 5:2
- 3:2
- 3:4
दो रेलगाड़ियों की चाल क्रमशः 144 km/h और 30 m/s है। उनकी चालों का अनुपात कितना है?
- 4:3
- 5:2
- 3:2
- 3:4
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