Latest Infosys Aptitude Question SOLUTION: a lady goes for shopping.she bought shoestings.4 times the number of shoestings she bought pins and 8 times handkerchiefs.she paid each item with their count as each piece's cost.s

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a lady goes for shopping.she bought shoestings.4 times the number of shoestings she bought pins and 8 times handkerchiefs.she paid each item with their count as each piece's cost.she totally spent rs 3.24.how many handkerchiefs did she buy?

Asked In Infosys chithra nair (10 years ago)

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piyush  (10 years ago)

number of kerchiefs is 16.
explanation:
shoestings=x,pins=4x,handkerchiefs=8x.
cost paid for shoestings = x^2,
pins = 16 * (x^2)
handkerchiefs = 64 * (x^2)
total amount = 3.24rs = 324 paise(because with rs value of x will be in fraction which is not possible).
each item is paid with their count as each piece's cost,therfore :
x^2 + 16 *(x^2) + 64 * (x^2)=324
solving which value of x=2;
therefore handkerchiefs= 16.

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Sundar K  (10 years ago)

piyush : how cost paid for shoestings is squared..??

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sai sirish  (10 years ago)

it might be 324 rs,let x shoestings she bought,then pins will be 4x,handkerchiefs will be 8x,as given cost is same as number so total cost will be x^2+(4x)^2+(8x)^2=324
81x^2=324,x^2=4 =>x=2 ,kerchiefs=16
x=0.2 =>handkerchiefs=8

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