The following data give reading for ten sample of size 8 each in the production of the certain component draw a control chart for mean and range and point out which sample if any are out of limit.
From the records of an oil mill, the following data are available, (a) Raw materials Opening stock = Rs. 1,40,000 Closing stock = Rs. 1,00,000 Total purchases during the year = Rs. 2,00,000 (b) Finished goods Opening stock ...Read more
When a cyclist is riding west at 20 Km/hr, he feels it is raining at an angle of 450 with the vertical. When he rides at 15km/hr, he feels it is raining at an angle of 30° with ...Read more
A stone is dropped into a well is heard to strike the water in 4 seconds. Find the depth of the well, assuming the velocity of sound to be 335 meters per second
A ball is dropped from the top of a tower 30 metre high. At the same instant a second ball is thrown upward from the ground with an initial velocity of 15 metre per second. Where and when ...Read more