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 ?
Choices:
A) Rs.86  B) Rs.87.48  C) Rs.89  D) Rs.90  E) None
Explanation:   C.P of 120 reams = Rs.(120×80+280+72+120×0.40)= Rs.10000.   C.P. of 1 ream = 10000/120= Rs.250/3   S.P. of 1 ream = Rs.108/100×250/3=Rs.90   Correct Option : Rs.90
<result>D</result>
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 ?