The following table gives the details of Five commodities A, B, C, D and E with quantity required and their costs for a family in a month. Study the table and answer the questions that follow.
|
Commodity |
Quality required/month (in kg) |
Rate/kg in ₹ |
|
|
Year 2016 |
Year 2019 |
||
|
A |
15 |
₹60 |
₹80 |
|
B |
20 |
₹50 |
₹60 |
|
C |
12 |
₹35 |
₹40 |
|
D |
40 |
₹75 |
₹85 |
|
E |
8 |
₹64 |
₹72 |
The percentage of increase(per kg) in the rate of commodity D from 2016 to 2019 is :
Answer & explanation
Correct answer: option 3
Rate of D in 2016 = 40 × 75 = 3000
Rate of D in 2019 = 40 × 85 = 3400
Percentage increase in rate of D from 2016 to 2019 = \(\frac{3400 - 3000}{3000}\) × 100
= \(\frac{400}{3000}\) × 100
= 13.33%