Bhajan Singh purchased 120 reams of paper at Rs 80 per ream. He spent Rs 280 on transportation, paid octroi at the rate of 40 paise per ream and paid Rs 72 to the coolie. If he wants to have a gain of 8 %, what must be the selling price per ream?
Choose the correct choice from the following choices:
A) 90
B) 89
C) 87.48
D) 86
E) 85
Explanation:   Total investment = Rs. (120 * 80 + 280 + (40/100) * 120 + 72).   = Rs. (9600 + 280+48 + 72) = Rs, 10000.   Sell price of 120 reams = 108% of Rs. 10000 = Rs. 10800.   Sell Price per ream = Rs. [10800/120] = Rs. 90. 90nswer: 90
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Bhajan Singh purchased 120 reams of paper at Rs 80 per ream. He spent Rs 280 on transportation, paid octroi at the rate of 40 paise per ream and paid Rs 72 to the coolie. If he wants to have a gain of 8 %, what must be the selling price per ream?