A Global CHALENG essay class 10,11,12 most important essay

Taking the increasing trends of the biodiversity losses globally, the most important cause driving animals and plants to extinction is

Which are the two macronutrients that usually play the most important role in limiting plant growth globally?

the median of 10, 14, 11, 9, 8, 12, 6 is

Most important question class 10 chapter 4 Quadratic equation

While calculating mode the following observation are found. Lower limit of modal class =40, frequency of modal class =20, frequency of previous class =12 , frequency of preceding class =11 and width of the class =10, find mode .

A sports team of 11 students is to be constituted, choosing at least 5 from class XI and at least 5 from class XII. if there are 20 students in each of these classes, in how many ways can the team be constituted. What is the importance of sports in one's life ?

In a frequency distribution, the mid-value of a class is 15 and the class intervals is 4. The lower limit of the class is 10 (b) 12 (c) 13 (d) 14

If r% of students scored less than 33 marks, then find r, given N=50 , class size= 10 , frequency of the rth. Percentile class =12 and cumulative frequency of the rth percentile class =22 , lower limit of rth percentile class =30

Marks of 10 students in an English test are as follow, 9,10,7,11,12,6,8,14,15,18 . Find mean marks

If the radius of inner most electronic orbit of a hydrogen atom is 5.3xx10^(-11) m, then the radii of n=2 orbit is