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Eutrophication is the process that accelerates the productivity of ponds and lakes due to excess nutrients.
A person purchased diesel at Rs. 7, Rs. 10 and Rs. 12 per litre in three successive years. If he spent Rs. 2520 each year on diesel, then find the appro...
A number is such that when it is multiplied by 4, it gives another number which is as much above from 180 as the original number (itself) is below 180. ...
The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs, If these two innings are excl...
2 years ago, the average age of the family of 3 members is 13 years. A baby is born now; the average age of the family is same as before. Find the age o...
The average age of a class was 16 years. 8 new students with an average age of 12 years joined the class. So, the average age of class decreased...
The average of a set of 60 numbers was initially calculated as 40. However, it was later discovered that two numbers were incorrectly recorded as 68 and...
Rajat aims to save an average of Rs. 750 per month over the course of a year. For the first 8 months, his monthly income was Rs. 3,000, and he spent 80%...
The average of 10 numbers is 30. If one of the numbers is excluded, the average of the remaining numbers becomes 28. Find the excluded number.
A number is such that when it is multiplied by 4, it gives another number which is as much above from 180 as the original number (itself) is below 180. ...
The average number of books on history, polity and geography in a library is 150, and the average number of books on history and geography is 140. If th...