Question
The ozone layer absorbs harmful Ultra Violet radiation
from sun. It is present in the upper portion ofSolution
Stratosphere is the warmest layer and is also known as ozonosphere as it absorbs UV radiations.
A Bike covers a distance of 150 km in 90 minutes. If its speed is reduced by 25 km/h, how much time will it take to cover the same distance?
If a car runs at 30 km/hr, it reaches its destination late by 15 minutes but if runs at 45 km/hr it is late by 7 minutes. What is the correct time for t...
Two individuals, A and B, travel from point M to point N at different speeds. A takes 6 hours to complete the journey, while B takes 8 hours. The differ...
A train travels from A to B at a speed of 60 km/h, and then from B to C at a speed of 80 km/h. The total distance covered from A to C is 240 km, and the...
The speed of ‘A’ and ‘B’ is 60 km/hr and 30 km/hr, respectively. If the distance covered by ‘A’ in ‘x’ h...
'A' and 'B' are running on a circular track of length 5000 metres. 'A' is running clockwise at 6 m/s while 'B' is running anti-clockwise at 8 m/s. Find ...
How much time a train 200 metres long running at the speed of 72 km/hr take to cross a bridge 180 metres in length?
Traveling at his normal speed, a man covers the distance to his destination in 15 hours. If he reduces his speed by (1/5) , he covers 75 km less in the ...
Speed of a car and a bus is 24 km/h and 14 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
Suniti goes to gym at a speed of 3 km/hr and returns back at a speed of 5 km/hr. If she takes 8 hrs in all. Find the distance between her home and gym.
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