Question

11. There are 4 different sizes of wooden frame of area 36 sq m were sold in a shop as shown
below.
6m
18m
2m
b)
a)
c) 3m
12m
9m
d)
4m
i. Find the least length of wood used for making frame.
ii. Which frame has largest boundary?​

Answer 1

Answer:

Step-by-step expCorrect option is

A

Rs. 568.42

Given:

S.P= ₹ 540, loss%=5%

Let the Cost price = C.P

Loss% =( loss/C.P) × 100

Loss% =( (CP- SP)/CP ) × 100

5 =( (CP - 540)/CP ) × 100

5/100 = ( (CP - 540)/CP )  

1/20 = ( (CP - 540)/CP )  

CP = 20 (CP - 540)

20 = 20CP - 10800

20CP - CP = 10800

19CP = 10800

CP = 10800/19

CP =₹ 568.42

Hence, the cost price of an item = ₹ 568.42

lanation: