Question
The average cost of three chairs is Rs.10000. The
average cost decrease by 10% when one more chair is included. What is the cost price of the 4th chair?Solution
Total cost of three chairs = 10000 × 3 = Rs. 30000 Average cost of all the four chairs = 10000 × (90/100) = Rs. 9000 Total cost of all the four chairs = 9000 × 4 = Rs. 36000 Cost of the 3rd chair = 36000 - 30000 = Rs. 6000
More Average Questions
Who is the writer of the book “Jammu Kashmir and Ladakh”?
- Traditional festival light arrangements typically exemplify which electrical circuit configuration?
Which platform was introduced by Union Minister Piyush Goyal to foster innovation in India's startup ecosystem?
Which city has been designated to host the 2026 Commonwealth Games?
What was the rank of India in the Henley Passport Index 2025?
Where was the 2024 Indo-Pacific Chiefs of Defence (IP-CHOD) Conference held?
- Which part of the body does meningitis affect?
- Which Indian state is home to the Mayurbhanj district, known as the last among the princely states to merge?
- On which continent is the Iberian Peninsula located?
- Which state in India has been awarded the highest number of Geographical Indication (GI) tags?
