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The ‘nif’ gene is involved in the coding of nitrogenase, an enzyme complex responsible for the biological nitrogen fixation process in some bacteria
Two person A and B started from same place and in same direction with speed of 48km/hr and 40km/hr respectively .The speed of person B increased by ½ k...
If the sum of upstream and downstream speed is 32 km/hr and the speed of the current is 6 km/hr. Then find time taken to cover 44 km in downward?
If a man cycles at 10 km/hr, then he arrives at a certain place at 1 p.m .If he cycles at 15 km/hr, he will arrive at the same place at 11 am At what sp...
The speed of two cars A and B are in the ratio of 15:17 respectively. Car A travels 10 km less than the car B in the same time duration. What was the di...
X started to run from point ‘A’ to ‘B’ at a speed of 28 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 12 km/...
A car completes a journey in 6 hrs with a speed of 50 km/hr. At what speed must it travel to complete the journey in 5 hrs?
In a 200-metre race, ‘A’ beats ‘B’ by 15 seconds or 60 metres. Find the time taken by ‘B’ to finish the race.
260 metre long train ‘A’ can cross a platform of length 180 metres in 16 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘...
The speed of a bike increases by 5 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 10 km, the find the total distance tra...
