A company has two department with 42 and 60 employee respectively. Their average weekly wages are Rs 750 and Rs 400. The standard deviations are 8 and 10 respectively. Which department has larger variability in wages?

A company has two department with 42 and 60 employee respectively. Their average weekly wages are Rs 750 and Rs 400. The standard deviations are 8 and 10 respectively. Which department has a larger bill?

A random variable X has the following probabilty distribution. The mean and the standard deviation are respectively

The televisions manufactured in a factory are stored in two warehouses. They are then transported to the two shops. In the month of January, the first warehouse has 45 televisions and the second warehouse has 55 televisions. The first shop requires 53 televisions and The second shop requires 47 televisions. The televisions are transported from each warehouse to each of the two shops. If the requirement of each shop is fulfilled then represent the above information in terms of one matrix equation. Further, the transportation charges per unit area are Rs. 100 and Rs. 150 for the first and second shop respectively and the total transportation charges for the two warehouses are Rs. 10000 and Rs. 15000 respectively. Represent this information in terms of one matrix equation.

A company manufactures two types of telephone sets A and B . The A type telephone requires 2 hour and B type telephone requires 4 hours to make . The company has 800 work hours per day . 300 telephones can pack in a day . The selling prices of A and B type telephones are Rs.300 and 400 respectively . For maximum profits company produces x telephones of a type and y telephones of B types . Then except xge0 and yge0 , linear constraints and the probable region of the LPP is of the type .

Choose the correct options A uniform bar RS weighs 100 g and is 80 cm long. From the end R two masses 50 g and 100 g hung from the bar at a distance of 10 cm and 60 cm respectively. If the bar is to remain horizontal when balanced on a knife-edge, its position is____ A. 42 cm from S B. 38 cm from R C. 38 cm from G D. 42 cm from R

Two different kinds of food A and B are being considered to form a weekly diet . The minimum weekly requirements for fats , carbohydrates and protein are 18, 24 and 16 units respectively . One kg of food A has 4 , 16 , and 8 units respectively of these ingredients and one kg of food B has 12 ,4 and 6 units respectively The price of food A is Rs 6 per kg and that of food B is Rs 5 per kg. How many kg of each type of food should he buy per week to minimize the cost and meet his requirements . Formulate this LPP

Two electric bulbs rated 60 w and 40 w respectively. are used 5 hours per day for 20 days . If the cost of a unit is Rs 4.00 find the cost of the energy used.