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Let the total number of students in a class be x According to the question, Number of girls = 2x/5 and number of boys = x - 2x/5 = 3x/5 Number of girls who are absent = 2x/5 x 4x/9 = (8x)/45 and number of boys who are absent = 3x/5 x 1x/3 = x/5 Total number of students who are present = x - (8x/45) - x/5 = (45x - 8x - 9x)/45 = (28x/45) The 28/45 part of the students is present in the class
Phenyl mercuric acetate (PMA) is a ______ of antitranspirant.
Which of the following selenium form is selenite?
(a) Se2–
(b) SeO–
(c) SeO23–
...
Cultivated wheat in India belongs to:
Which content in phosphatic fertilizers required for grade?
What is the weight of one centimeter of surface soil over one hectare of land?
Read the statements below on consequences of inbreeding and choose the correct statement.
A. Variability reduced significantly within family.
...The department of agriculture, revenue and commerce was set up in .............................?
The process of drying is very important to maintain its-
Photorespiration involves
The first artificial plant hybrid was produced by crossing: