Question
The average cost of 4 chairs is Rs. 11000. The average
cost decrease by 15% when one more chair is included. What is the cost price of the 5th chair?Solution
Total cost of 4 chairs = 11000 × 4 = Rs. 44000 Average cost of all the 5 chairs = 11000 × (85/100) = Rs. 9350 Total cost of all the 5 chairs = 9350 × 5 = Rs. 46750 Cost of the 5th chair = 46750 - 44000 = Rs. 2750
- Name a reproductive strategy in which parasites take advantage of the care of other individuals of the same species or different species to raise their ... 
- What is the scientific name for the common housefly? 
- Which of the following pairs is incorrectly matched regarding the cause of the disease? - I) Ringworm - Virus - II) Rubella - Bacteria 
- Which vitamin deficiency leads to the disease beriberi? 
- Skin, Intestine and Glands are the example of : 
- Which of the following is used for measuring the rate of transpiration? 
- Which of these statements are accurate regarding the molecular structures of DNA and RNA? - Statements:Â - 1. DNA is a doublestranded molecul... 
- Emphysema primarily affects which organ of the body? 
- If one parent has blood group AB and the other has blood group O, what are the possible blood groups of their child? 
- Which vitamin is produced by the human body when exposed to sunlight?