Question
Which of the following groups is of pre-emergence
herbicides?Solution
Alachlor and pendimethalin both are pre emergence herbicide.Β
A car travels from point A to point B at a speed 20% slower than its usual speed and arrives 30 minutes late. If the distance between A and B is 150 km,...
Truck βPβ is 180 metres ahead of truck βQβ. Truck βPβ is moving at 18 m/s and truck βQβ is moving at 72 km/h. How much time will truck οΏ½...
A train covers a distance of 120 km at the speed of 75 km/h the next 63 km distance covers with a speed of 45 km/h and last 90 km with the speed of 40 k...
In a 200-metre race, βAβ beats βBβ by 15 seconds or 60 metres. Find the time taken by βBβ to finish the race.
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How many km per hour does a man walk who passes through a street 500 m long in 25 minutes?Β
Two men start together to walk a certain distance, one at 4 km/h and another at 3 km/h. The former arrives half an hour before the latter. Find the dist...
- A train covers 150 km in 100 minutes. If its speed is reduced by 30 km/h, how much time will it take to travel the same distance?
A car travels from A to B at a speed of 60 km/h, and returns from B to A at a speed of 40 km/h. What is the average speed of the car for the entire jour...
- A person walks at 5 km/h and needs to reach home in 2 hours. After walking half the distance, they rest for 20 minutes. What must be their speed for the re...
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