The sum of the digits of a two digit no.is one-fourth the no.if the.digits are reversed ,the no.thus formed is 18 added to the original no. find the no.
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ayush39953:
9th standard
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from which standard did you belonf
9th...
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From which state you are
U.P.
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Answered by
1
Answer:
24
Step-by-step explanation:
LET THE DIGIT at ten's place BE x and and at one's place be y
original number= 10x + y
x + y= 1/4(10x+y)
=> y=2x ------(1)
10y +x = 18 + 10x + y
=> -x + y = 2
=> -x + 2x = 2 ( from 1)
=>x=2
put x =2 in 1
y= 2(2)
=> y=4
the number is 10x +y
= 24
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