A company manufactures two products x and y. Each product has to be processed in three departments: welding, assembly and painting. Each unit of x spends 2 hours in the welding department, 3 hours in assembly and 1 hour in painting. The corresponding times for a unit of y are 3, 2 and 1 hours respectively. The employee hours available in a month are 1500 for the welding department, 1500 in assembly and 550 in painting. The contribution to profits are rs100 for product x and rs120 for product y. What is the objective function (z) to be maximised in this linear programming problem.

All of the following are free tools to you prepare for the sat except

It takes longer to fly an airplane against a with it

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.