in a two digits number the digit in the tens place is tree times the digit in the units place.if the digits are reversed thevnumber decreases by 36.find the number
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answer is 62
let no. be 10x+y
no. formed when digits reversed =10y +x
given. x=3y
A.T.Q
10y+x=10x+y -30
9x-9y=36
x-y=4
put x=3y
3y-y=4
y=2
x=3y
x=6
hence no. is 10x+y
10.(6) + 2
=62
let no. be 10x+y
no. formed when digits reversed =10y +x
given. x=3y
A.T.Q
10y+x=10x+y -30
9x-9y=36
x-y=4
put x=3y
3y-y=4
y=2
x=3y
x=6
hence no. is 10x+y
10.(6) + 2
=62
Anonymous:
thank u so much
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