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Arpit Joshi

· started a discussion

· 1 Months ago

in que is 12.5%
but in sol it is 112.5

Question:
Deepti sells a pen to vrinda at a gain of 30% and vrinda sells it to chitra at gain of 20% and chitra sells it to vandana at a gain of 12.5%. If Vandana pays Rs. 17.55, what did the pen cost to Deepti?
Options:
A) Rs. 10
B) Rs. 12
C) Rs. 13
D) Rs. 14
Solution:
Ans: (a) Deepti's cost = 17.55× \(\cfrac{100}{130}\) × \(\cfrac{100}{120}\) × \(\cfrac{100}{112.5}\)

= Rs. 10

Knowledge Expert

· commented

· 1 Months ago

@Arpit Joshi

Its ok... No problem

Keep learning with us!!
Best wishes
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Arpit Joshi

· commented

· 1 Months ago

sorry got it

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