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ICSE Class 10 Answered

A two digit positive number is such that product of its digits is 6.If 9 is added to number, the digits interchange their places. Find the number.  
Asked by irambedi14 | 11 Nov, 2018, 07:21: PM
answered-by-expert Expert Answer
let the digit be 10x+y
xy=6......(1)
10x+y+9=10y+x.......(2)
solve eqn (1) and (2) simultaneously
Answered by Arun | 12 Nov, 2018, 10:48: AM

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