exam
Maths Puzzle
Numerical Ability
What 2-digit number is three times the sum of its digits?
Read Solution (Total 1)
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- let the no. be ab.
10*a+b=3(a+b)
7a=2b.
by hit and trial method a=2 b=7.
therefore, only 2-digit number which is three times the sum of its digits is 27. - 10 years agoHelpfull: Yes(0) No(0)
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