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Black Gram is a leguminous crop that helps increase soil fertility by fixing atmospheric nitrogen through symbiosis with Rhizobium bacteria in its root nodules. This process enriches the soil with nitrogen, making it more fertile for subsequent crops.
If a car runs at 40 km/hr, it reaches its destination late by 14 minutes but if runs at 50 km/hr it is late by 8 minutes. What is the correct time for t...
Arjun, Bheem and Nakul walk at speeds in the ratio 3:2:1. If Nakul takes 60 minutes to reach a temple, calculate how much time Arjun would take to reach...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 27 km/hr and 9 km/hr, respectively. If the dis...
The speed of two cars A and B are in the ratio of 12:15 respectively. Car A travels 15 km less than the car B in the same time duration. What was the di...
B and C are standing on point Q and P respectively, which are 300km apart. A starts moving to and from between Q and P at 25km/hr while A starts moving ...
Ratio of speeds of ‘A’ and ‘B’ is 4:9, respectively. If they participate in a 270-metre race and ‘B’ gives ‘A’, a head start of ‘m’ ...
Buses A and B are moving around a circular ground of radius 140 m. If the speeds of the buses A and B are 15 m/sec and 20 m/sec respectively, then what ...
A train moving at 3/5th of its normal speed reaches its destination 10 hours late. Find the normal time taken by it.
A train takes 30 minutes to travel 20 km, but due to maintenance, its speed is reduced by 25% for the next 10 km. Find the total time taken by the train...
A Bus covers its journey at a speed of 40km/hr in 8 hours. If the same distance is to be covered in 4 hours, then by how much % will be the speed of the...