Number of tin items sold in shop D is 25% more than the number of bronze and silver items sold in same shop. Find the average tin and copper items sold in shop D?

Question

Question

The line graph shows the number of copper and bronze items sold in four different shops [A, B, C, and D].

The given table shows the ratio between total number of [ copper + bronze] items sold to number silver items sold.

Shop	Ratio between total number of [ copper + bronze] items sold to number silver items sold.
A	5:4
B	29:12
C	25:18
D	3:2

This question was previously asked in

RRB Clerk Mains Memory Based Paper (Held On: 6 October 2024 Shift 1)

Attempt Online

Answer 1

Common Calculation

For shop A,

Number of copper items sold in shop A is 24.

Number of bronze items sold in shop A is 16.

So, total number of copper and bronze items sold in shop A is 24 + 16 = 40.

So, Ratio between total number of [ copper + bronze] items sold to number silver items sold.

So, Number of silver items sold in shop A is 40 × 4 /5 = 32

Similarly, we can calculate others values also, which is given in the table.

Calculation

In Shop D:

Bronze = 24, Silver = 40 ⇒ Total = 64

Tin items = 25% more than 64 = 1.25 × 64 = 80

Now, tin = 80, copper = 36

Average = (80 + 36) ÷ 2 = 116 ÷ 2 = 58

Answer: 58