In two factories A and B engaged in the same industry in an area, the average weekly wages and the S.D. in rupees are as follows :

Find the coefficient of variation in the case of each factory. What inference do you draw from a comparison of the two figures ?

A parallel plate capacitor has plates A and B each of area 0.5m^2 and a plate separation of 0.2 m. A dielectric slab of thickness 0.1m and dielectric constant 2.5 is placed between the two plates as shown - (a) FInd the capacitance of the capacitor, if the surface charge densities of the two plates are 8.854xx10^(-10)Cm^(-2) . (b) Graphically represent the variation of electric field between the two plates from A to B.

(Transportaion problem) : There are two factories located one at place P and the other at place Q. From these locations, a certain commodity is to be delivered to each of the three depots situated at A,B and C. The weekly requirements of the depots are respectively 5,5 and 4 units of the commodity while the production capacity of the factories at P and Q are respectively 8 and 6 units. The cost of transportaion per unit is given below: How many units should be transported from each factory to each depot in order that the transportation cost its minimum. What will be the minimum transportation cost?

Two point charges e_(1) and e_(2) are placed at a distance d from each other. In between them there is no point where electric field is zero. From this what conclusion can you draw ?

Consider the following statement (a-d) each with one or two blanks (a) Bears go into (1) ______during winter to (2)_____cold weather (b) A conical age pyramid with a broad base represents (3)_____human population. © A wasp pollinating a fig flower is an example of (4)_____ (d) an area with high levels of species richness is known as (5)_____ which one of the following options, gives the correct fill ups for the respective blank numbers from (1) to (5) in the statements:-