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CBSE Notes 2011-2012

In a two digit number, the sum of the digits is 15. If 9 is added to the number, the digits are inte...

Multiple choice question

In a two digit number, the sum of the digits is
15. If 9 is added to the number, the digits are
interchanged. The number is

unknown

96

unknown

87

unknown

69

unknown

none of these