1.

In the year 2014, the marked price of the laptop was Rs. 85,000. The marked price gets depreciated by 15% every year. In year 2017, dealer found that there were 15 laptops available from the order of 2015. He sold those laptops at the marked price of year 2017. The total amount of loss faced by the dealer is?1). Rs. 2005012). Rs. 2722013). Rs. 2900014). Rs. 300741

Answer»

GIVEN Principal = Rs. 85000

Rate of interest per annum (R) = 15%

Time period (n) = 1 year

Amount of depreciation under compound interest (A) = P [(1 - (n/100)]n

⇒ Amount = 85000 [(1 - (15/100)]1

⇒ Amount = 85000 × (1 - 0.15)

⇒ Amount = 85000 × 0.85

⇒ Amount for laptop in year 2015 = Rs. 72250

To calculate the amount for the laptop in year 2017,

Principal = Rs. 85000

Rate of interest per annum (r) = 15%

Time period (n) = 3 year

Amount = 85000 [(1 - (15/100)]3

⇒ Amount = 85000 × (1 - 0.15)3

⇒ Amount = 85000 × 0.853

⇒ Amount = 85000 × 0.614125

⇒ Amount of laptop in year 2017 = Rs. 52200.625

Loss on SELLING of 1 laptop = Rs. (72250 - 52200.625) = Rs. 20049.375

Total loss in selling of 15 laptops = 20049.375 × 15 = Rs. 300741 (approx.)

∴ Total loss occur = Rs. 300741


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