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
More Average Questions
What is the square root of 5476?
Find the square of 572
Solve the following :-
Determine the value of (0.88)2
Find the value of ∛ 474552
Two times a number, added to the square of that number, gives 3. What could be the possible answer for this number?
A horse is tethered to a peg fixed at one corner of a rectangular grass field measuring 45 metres in length and 25 metre...
Find the Square root of √14641
Find the square root of 0.0324.
Find the Square root of √1681
Relevant for Exams:
