Question
Which of the following is a process of breaking down and
altering the physical and chemical properties of rocks and minerals, leading to soil formation?Solution
Weathering is the process of breaking down and altering the physical and chemical properties of rocks and minerals, leading to soil formation. There are two types of weathering: physical and chemical.
A car travels from point A to point B in 4 hours, covering a distance of 180 km. On the return journey, the speed is reduced by 20%. How much time does ...
A car travels from point A to point B at an average speed of 80 km/h. On the return journey from point B to point A, its average speed decreases by 25% ...
A car travels 50 km at a speed of 25 km/h and the next 80 km at a speed of 40 km/h. What is the average speed of the car for the entire journey?
A man travels some distance at a speed of 16 km/hr and returns at a speed of 8 km/hr. If the total time taken by him is 3 hrs 45 min, the distance is
Time taken by a boat to travel certain distance in upstream direction is twice the time taken by the boat to cover same distance in downstream direction...
If a car runs at 36 km/hr, it reaches its destination late by 15 minutes but if runs at 45 km/hr it is late by 9 minutes. What is the correct time for t...
A, B, and C run around a Circular track starting from the same point simultaneously and in the same direction at 6 km/h, 12 km/h, and 18 km/h respect...
A train covers a certain distance at a speed of 36 km/h and the next same distance with a speed of 45 km/h and the next same distance with a speed of 60...
A sprinter is 600 metres behind another runner and begins a chase at a speed of 22 m/s. If the runner ahead is moving at 14 m/s, find out the time it wi...
A and B are travelling towards each other with a speed of 10 km/hr and 20 km/hr. They started at same time and A covered 15 km less distance than B befo...
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