Question
In Python, which method removes missing
values?Solution
df.dropna() removes missing values.
A train traveling at 90 km/h departs from City A toward City B, located 240 km away. Simultaneously, a car leaves City B heading toward City A at a spee...
A bus takes 90 minutes to cover 135 km. If its speed is reduced by 15 km/h, find the new time required to cover the same distance.
X started to run from point ‘A’ to ‘B’ at a speed of 35 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 11 km/...
In a 250-metre race, ‘A’ beats ‘B’ by 16 seconds or 80 metres. Find the time taken by ‘B’ to finish the race.
- 'A' takes 20 minutes more than 'B' to travel 'x' km. If the speed of 'A' and 'B' is 18 km/h and 24 km/h, respectively, find the value of 'x'.
What is the length of the bridge which a man riding 35 km an hour can cross in 3 min.?
Two motorcycles, a Honda and a Hero, set off simultaneously from the same location, aiming for the same endpoint. The Honda travels at a speed of 48 km/...
The speed of a car is 30% more than that of a bike. Both of them start from a same point. After travelling for 4 hours, the speed of the bike is increas...
A policeman saw a thief from a distance of 450 m. When the policeman started chasing him, the thief also started running. The ratio of speeds of the th...
A car running with a speed of 65 km/hr takes 12 hours to go from 'A' to 'B'. If on the way back from 'B' to 'A', the car takes 20% less time than it tak...