engineering recuitment IB JIO (Junior Intelligence Officer) Mock Test 2023 Quantitative Aptitude Speed Time and Distance Partial Speed
A man travels \(33\frac{1}{3}\)% of the total distance at 15 km/h, the next 25% of the total distance at 18 km/h and the remaining at a speed of 'y' km/h. If his average speed for the whole journey is 20 km/h, then what is the value of 'y'?
1
35 km/h
2
30 km/h
3
40 km/h
4
25 km/h