Question
Which of the following spectrum range is called
photosynthetically active radiation?Solution
Photosynthetically active radiation (PAR) is light of wavelengths 400-700 nm and is the portion of the light spectrum utilised by plants for photosynthesis.
The average age of three children in a family is 35% of the average of the age of father and the eldest child. The total age of the mother and the young...
- The average value of the property of Simran, Tarun and Veena is Rs. 75 lacs. The value of the property of Simran is Rs. 18 lacs less than the value of the ...
- The average of twenty numbers is 40 while the average of first ten numbers and last ten numbers is 48 and 56, respectively. Find the tenth term.
Average of nine consecutive numbers is 56. Find the sum of smallest and largest number.
The average of 8 numbers is 24. If one number 32 is replaced by 48, what is the new average?
A number is such that when it is multiplied by 5, it gives another number which is as much above from 210 as the original number (itself) is below 210. ...
The average marks in geography exam of a class of 25 students are 64. If the marks of three students were misread as 44, 46 and 61 in lieu of the actual...
The average of 8 numbers is 21. If one of the numbers is removed, the average of the remaining 7 numbers becomes 20. What is the value of the number tha...
Average marks scored by each boy in a class were 95, whereas that by each girl were 105. If the number of boys is 50% more than the number of girls, the...
In a class of 50 students there are 22 girls who scored an average of 35 marks in the test. What is the average marks of the boys if the class average ...
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