Mathematics Mcqs
Q A person ordered 5 pairs of black socks and some pairs of brown socks. The price of a black pair was thrice that of a brown pair while preparing the bill the bill clerk inter-changed the number of black and brown pairs by mistake which increased the bill by 100% what was the number of pair of brown socks in the original order?
  • A A. 10
  • B B. 15
  • C C. 20
  • D D. 25
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