a number consists of two digits whose sum is 9 if 45 be added to the number the digits are reversed the number is what
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Hey !
Ur answer is 27..
process;-
let the digit at ones place = x
let the digit at tens place= y
A.T.Q
x+y =9
10y +x+y+45=10x+y
x-y = 5
x=7 ndy =2
so number is 72 nd by reversed u will get 27..
#riShu;-)
Ur answer is 27..
process;-
let the digit at ones place = x
let the digit at tens place= y
A.T.Q
x+y =9
10y +x+y+45=10x+y
x-y = 5
x=7 ndy =2
so number is 72 nd by reversed u will get 27..
#riShu;-)
Aslesha11:
ok
Answered by
1
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