Gunjan Asked a Question
March 22, 2021 9:38 pmpts 30 pts
Ex.21 Raman's salary was decreased by 50% and subsequently increased by 50%o. How much percent does he lose! (B) (A) 45% 50% (C) 75% (D) 25% Ans. (D) Let the original salary = Rs.100 (x/100)% or 100x-50/100x 50/100 =-25% or Decrease 25%
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  • Priya gulani
    Raman original salary be Rs 100. Decrease by 50 % =100−50/100×100 =100−50=50 Increase by 50 % =50+50/100×50 =50+25=75 Loss =100−75=25 Loss %=25/100×100=25 % Thus, he lost 25...
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  • Priya gulani
    Let the origianl salary = Rs. 100 It will be 150% of (50% of 100) = (150/100) * (50/100) * 100 = 75 So New salary is 75, It means his loss is 25%
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  • Rucha rajesh shingvekar thankyou
    see this
    • cropped2616043213614163888.jpg
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    Rucha rajesh shingvekar
    first salary is Decreased by 50% then it Increased by 50%. so we assume salary Rs. 100 then as per 1st condition =100-50% =50 Then as per 2nd condition New salary+50% =50+50% =5...
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