Question
Nanofertilizers are a new and innovative approach in
agriculture that involves the application of nanoparticles as a means of enhancing plant growth and nutrient uptake. Which of the following statements about nanofertilizers is true?Solution
Nanofertilizers have gained attention as a potential tool to enhance nutrient uptake and utilization in plants. Nanoparticles, when appropriately designed and applied, can protect nutrients from leaching and make them available to plants over an extended period.
- Ravi travels from town X to town Y. At 20 km/h he reaches 4 hours late, but at 50 km/h, he reaches 2 hours early. Find the distance between town X and town...
Train A takes 45 minutes more than train B to travel a distance of 450 km. Due to engine trouble speed of train B falls by a quarter, so it takes 30 min...
Two trains X and Y start at the same time in the opposite direction from two points P and Q and arrive at their destinations 25 and 16 hours respectivel...
The speed of a train is 108 km/hr and it takes 14 seconds to cross a man. Find the time taken by train to cross a platform if the ratio of the length of...
- A woman drove for 5 hours at a constant speed of 60 km/h and then drove another 2 hours at a constant speed of 90 km/h. Find her average speed for the whol...
Rohan and Tanuj move towards Dehradun starting from Delhi at a speed of 30 km/h and 50 km/h respectively. If Tanuj reaches Dehradun 300 minutes earlier ...
During the first 90 km of his trip, 'X' drove at a speed of 60 km/h. In the next 150 km, he increased his speed by 'y%' compared to his initial speed. F...
Driving at (4/5) of his usual speed, a man reaches his destination 36 minutes late. Find the time he normally takes to cover the distance.
There was a race of 2480 meters between P & Q on a circular track of 620 meters. First time they meet during the race after 4 minutes of starting of rac...
A and B are travelling towards each other with a speed of 30 km/hr and 40 km/hr. They started at same time and A covered 25 km less distance than B befo...
Relevant for Exams:
