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The cost of one helmet, two pairs of gloves, three pairs of pads

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The cost of one helmet, two pairs of gloves, three pairs of pads  [#permalink]

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New post 27 Feb 2018, 10:37
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  25% (medium)

Question Stats:

83% (02:22) correct 17% (02:39) wrong based on 46 sessions

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The cost of one helmet, two pairs of gloves, three pairs of pads, four bats and five balls increased by 11%, 22%, 33%, 44% and 55% respectively, over that of the previous year. Last year, if John had spent equal amounts purchasing each of the given varieties of items (i.e., helmets, gloves, pads, bats and balls), by what percentage would the total cost of all the items John purchased increase this year, over that in the previous year?
A) 22%
B) 27.5%
C) 33%
D) 37.5%
E) 40\(\frac{1}{3}\)%

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Re: The cost of one helmet, two pairs of gloves, three pairs of pads  [#permalink]

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New post 27 Feb 2018, 12:33
souvonik2k wrote:
The cost of one helmet, two pairs of gloves, three pairs of pads, four bats and five balls increased by 11%, 22%, 33%, 44% and 55% respectively, over that of the previous year. Last year, if John had spent equal amounts purchasing each of the given varieties of items (i.e., helmets, gloves, pads, bats and balls), by what percentage would the total cost of all the items John purchased increase this year, over that in the previous year?
A) 22%
B) 27.5%
C) 33%
D) 37.5%
E) 40\(\frac{1}{3}\)%


let price of each spent is 100
inc in the next year = 11, 22, 33, 44, 55

thus total price = 100x5 = 500
next year = 500 + 11 + 22 + 33 + 44 + 55 ( %inc over value added)
= 665

% = 665-500/500 = 33

(C) imo
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Re: The cost of one helmet, two pairs of gloves, three pairs of pads   [#permalink] 27 Feb 2018, 12:33
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The cost of one helmet, two pairs of gloves, three pairs of pads

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