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quantitative

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quantitative [#permalink] New post 23 Sep 2012, 00:14
There is a garden with n flowers. A person picks 2 flowers on Monday, it is replaced by 5 flowers on Tuesday. On Tuesday he picks 3 flowers, it is replaced by 7 flowers , …. Find the final number of flowers in the garden on Sunday.There is a garden with n flowers. A person picks 2 flowers on Monday, it is replaced by 5 flowers on Tuesday. On Tuesday he picks 3 flowers, it is replaced by 7 flowers , …. Find the final number of flowers in the garden on Sunday.
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Re: quantitative [#permalink] New post 23 Sep 2012, 00:22
The solution is as follows
- means the flowers are plucked
+ means the flowers are replaced

Mon : -2
Tue : +5 -3
Wed : +7 -4
Thur: +9 -5
Fri : +11 -6
Sat : +13 -7
Sun: +15 -8

So Total number of flowers on sunday morning will be = n +5 + 7 + 9 + 11 + 13 -2 -3 -4 -5 -6 -7 = n + 18

Hope it helps!
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Re: quantitative   [#permalink] 23 Sep 2012, 00:22
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