A man sells his typewriter at 5% loss. If he sells it for Rs.80 more, he will gain 5%.

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RRB TC CC Exam (Chandigarh) 2008 click here to view all questions

A man sells his typewriter at 5% loss. If he sells it for Rs.80 more, he will gain 5%. The cost price of the type writer is

ARs.1600

BRs.1200

CRs.1000

DRs.800

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Answer: (1) Rs.1600 Explanation:- L the cost price of a type writer is Rs.X Loss = 5 % Then, the selling price of typewriter = $X \times \frac{95}{100}$ = $\frac{19 X}{20}$ Gain = 5 % Then the selling price = $X \times \frac{105}{100}$ = $\frac{21 X }{ 20}$ Then,  $\frac{21 X }{ 20} – \frac{19 X}{20} = 80$ $\frac{( 21 X –  20 X ) }{ 20} = 80$ $X = 80 \times 20$ $X = Rs.1600$ Then, the cost price of a typewriter is Rs.1600 Hence, the answer is (1) Rs.1600. Nithin K ? answered Apr 7 '2018 at 12:45 All Comments

$\frac{105x}{100}-\frac{95x}{100}$=80 $\frac{10x}{100}$=80 $X=80×\frac{100}{10}$ X=800 correct answer     Gurjant Singh Balsaab ? answered Jun 10 '2018 at 12:41 All Comments

CP=X LOSS =5% GAIN=5% SP=CP(100-LOSS)/100 95×/100=19×/20 SP=CP (100 +PROFIT)/100= X(100+5)/100= 105X/100 = 21X/100  21X/20-19X/20=80 X=80×20=1600 Aryan bahuguna ? answered Jun 6 '2020 at 21:10 All Comments

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