Latest Elitmus Aptitude Question SOLUTION: a person bought 50 pens for rs 50 each.he sold 40 of them at a loss of 5%.he wants to gain 10% on the whole.then his gain percent on the remaining pens should be?

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(#M40164412) ELITMUS Numerical Ability question Keep an EYE

a person bought 50 pens for rs 50 each.he sold 40 of them at a loss of 5%.he wants to gain 10% on the whole.then his gain percent on the remaining pens should be?

Asked In Elitmus Sniper (7 years ago)

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Devendra Marghade  (7 years ago)

70%

CP of 50 pens= 50*50= Rs. 2500
Total required SP at 10% gain= 2500*(110/100)=Rs. 2750
SP of 40 pens at 5% loss= 40*50*(95/100)=Rs. 1900
So remaining 10 pens pens must be sold for 2750 - 1900 =Rs. 850
Price of each pen=850/10 = 85
Hence required % gain=100*(85-50)/50 =70

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Rashmi Bharti  (7 years ago)

C.P of 50 pens = 50 X 50 = 2500
profit= 10% so, S.P of 50 pens = 2500 X 110/100 = Rs. 2750
In the same way, S.P of 40 pens = 40 X 50 X 95/100 = Rs. 1900
Therefore, S.P of remaining 10 pens = ( 2750 - 1900) = Rs. 850
Gain% = (850 - 500) X 100 = 70
500 (C.P of 10 pen is 50X10 = Rs. 500 )

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ashish ranjan  (7 years ago)

ans= 70% is right

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rishab kumar  (6 years ago)

Cp = 50*50 = 2500
loss 5% = 50*40*(95/100) = 1900
profit 10% = 50*50*(110/100) = 2750
S.P of 10 pens = (2750-1900) = 850
gain % = (profit*100)/CP = 70% ans.

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