Question
Ozone layer which absorbs and scatters the solar
ultraviolet radiation is present in which layer of atmosphere?Solution
In the upper parts of the stratosphere the temperatures are almost as higher as those near the earth's surface, which is due to the fact that the ultra violet radiation from the sun is absorbed by ozone in this region.
The average number of elephants, tigers, and lions in a zoo is 78. The average number of elephants and lions is 71. Additionally, the number of tigers i...
X / Y = 7/8 and Y / Z = 8/9 find the value of (X+Y): (Y+Z): (Z+X).Â
Divide 297 into two parts such that one may be to the other as 2:9.
- The mean proportional of 10 and 40 is _____.
If x runs are second by Rohit, y runs by Shreyas and z runs by Virat, then x : y = y : z = 4 : 3. If total number of runs scored by Rohit, Shreyas and V...
Rahul and Tarun scored marks in the ratio 6:5. If Rahul had scored 4 marks more and Tarun had scored 5 marks less, the ratio of their marks would have b...
The ratio of zinc and copper in a brass pieces is 4:7. How much zinc will be there in 110 kg of such a piece?
Two numbers are in the ratio 8:5. After adding 4 and 7 to them respectively the ratio becomes 2:3. Find the bigger number.
The ratio of the monthly incomes of Dinesh, Nikhil and Rohan is 64:73:81. If Dinesh’s monthly income is 10,496, then find Rohan’s annual inc...
Determine the mean proportion of 40 and 19.6
