A trader in country where their currency 'MONI'(M) is in base five bought 1035 oranges at M145 each. If he sold the oranges at M245 each, what will be his gain?
A
1035
B
10305
C
1025
D
20025
E
30325
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
Total cost of 1035 oranges at N145 each
= 1035 x 145
= 20025
Total selling price at N245 each
= (103)5 x 245
= 30325
Hence his gain = 30325 - 20025
= 10305
Source: Myschool Past Questions Archive (Record #32343)