When the number is written in base b, we have 12*25 =333. The value of b is ?

• (1*b+2)*(2*b+5)=3*b^2+3*b+3
  solve for b;
  b=7 ans
• 9 years agoHelpfull: Yes(10) No(4)
• Ans=7
  (7*1+2)(7*2+5)=(49*3+7*3+3)
  171=171
• 9 years agoHelpfull: Yes(2) No(0)
• refer this link clearly explained : http://360dpp.com/when-numbers-are-written-in-base-b-we-have-12-x-25-333-the-value-of-b-is/
• 9 years agoHelpfull: Yes(1) No(0)
• see last digit
  2*5=10
  last digit of expression is 3 so.. 10-3=7
  hence 7 in answer
• 9 years agoHelpfull: Yes(0) No(0)