The Price of an article increase by 20% every year. If the difference between the price at the end of third and fourth year is Rs 230.4, then 40% of the price (in Rs.) at the end of the second year is:
Answer & explanation
Correct answer: option 4
Let the amount at the end of 2nd year = Rs.100
So, the amount at the end of 3rd year = Rs.120
and the amount at the end of 4th year = Rs.144
ATQ,
⇒ 144R - 120R = 230.4
⇒ 24R = 230.4
⇒ 1R = 9.6
Hence,
The amount at the end of 2nd year = 100R = 100 × 9.6 = Rs.960
⇒ 40% of 960 = Rs.384