Question

Given are lengths and price of a rod.
Length 1 2 3 4 5 6 7 8 9 10
Price 2 3 7 9 13 14 18 23 25 29
If a rod of length is 9 is cut into three parts what will be the price of the rod?
12
21
7
25​

Answer 1

Answer:

21 because the rod is divided into 3 parts of length 3 that costs 7 per part.(7+7+7=21)

Answer 2

Length

Given:

Length and price data is given.

length                        price

1                                  2

2                                 3    

3                                  7

4                                  9

5                                 13

6                                 14

7                                  18

8                                  23

9                                  25

10                                 29

To find:

If a rod of length 9 is cut into 3 parts, the price pf rod will be.

Explanation:

As, from the table,

it can be inferred that if length is 3 then , the price for the rod will be 7.

Here according to question,

length of rod is 9 and it is further cut into 3 parts, for choosing options , it is assumed that rod is cut into equal length, so each part will be of length 3.

So, price of each part is 7.

Hence the price of rod will be $7+7+7=21$ .

∴ price of rod is 21.