Question

The value of an article depreciates every year at the rate of 10% of its value. If the present value of the article is 729, then its worth 3 years ago was

• A. 1250
• B. 1000
• C. 1125
• D. 1200

Answer 1

Answer:

B. 1000

3 വർഷം മുന്നുള്ള വില X ആയാൽ, X × 90/100 × 90/100 × 90/100 = 729 X =( 729 × 100 × 100 × 100)/(90×90×90) = 1000