All tables

A table cover, 4\ m\ xx2\ m , is spread on a meeting table. If 25 cm of the table cover is hanging all around the table, find the cost of polishing the table top at Rs. 2.25 per square metre.

The IKEA Store made a special promotion where the price of a set of 7 chairs and 13 tables would cost $1060 while the price of 13 chairs and 7 tables would be $940. If all chairs and tables are identical, what is the combined cost of of two chairs and one table ?

The following table shows the ages of all the attendees of Camp Wannaboggin. What percent of the Wannaboggin campers are at least 11 years old ?

The following table shows some laboratory test and their number. What is total sum of all test no. Which can be applied for detecting benzaldehyde.

In how many ways can 10 people sit around a table so that all shall not have the same neighbours in any two arrangement ?

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A bulb is hanging over a table. At which portion of the table is the illuminance maximum '? If a plane mirror is placed above the bulb facing the table, will the illuminance on the table increase ?

A block of mass m slips on a rough horizontal table under the action of horiozontal force applied to it. The coefficient of friction between the block and the table is mu . The table does not move on the floor. Find the total frictional force aplied by the floor on the legs of the table. Do you need the friction coefficient between the table and the floor or the mass of the table ?

An original frequency table with mean 10.5 and variance 9.9 was lost but the following table derived from it was found . Construct the original table .

4 chairs and 3 tables cost Rs 2100 and 5 chairs and 2 tables cost Rs 1750. Find the cost of a chair and a table separately.