The cost of a T.V. set was quoted Rs 17000 at the beginning of 1999. In the beginning of 2000 the price was hiked by 5%. Because of decrease in demand the cost was reduced by 4% in the beginning of 2001. What was the cost of the T.V. set in 2001?

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Solution

$Cost of the TV = P (1 + \frac{R}{100}) (1 - \frac{R}{100}) \Rightarrow 17, 000 (1 + \frac{5}{100}) (1 - \frac{4}{100}) = 17, 000 (1.05) (0.96) = 17, 136 Thus, the cost the TV in 2001 was Rs 17, 136 .$

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The cost of a T.V. set was quoted Rs 17000 at the beginning of 1999. In the beginning of 2000 the price was hiked by 5%. Because of decrease in demand the cost was reduced by 4% in the beginning of 2001. What was the cost of the T.V. set in 2001?

Cost of the TV=P1+R1001-R100⇒17,0001+51001-4100=17,0001.050.96=17,136Thus, the cost the TV in 2001 was Rs 17,136.

$Cost of the TV = P (1 + \frac{R}{100}) (1 - \frac{R}{100}) \Rightarrow 17, 000 (1 + \frac{5}{100}) (1 - \frac{4}{100}) = 17, 000 (1.05) (0.96) = 17, 136 Thus, the cost the TV in 2001 was Rs 17, 136 .$