Math, asked by arjun9518, 1 year ago

the sum of the two digit number and the number formed by interchanging its digits is 110 if 10 is subtracted from the first number the new number is 4 more than 5 times the sum of the digit in the first number find the first number

Answers

Answered by vsmanjumahesh
8

Answer:

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Answered by hharasudhan539
0

Answer:

Step-by-step explanation:

Let the unit digit be y & tens digit be x.

Original number = (10x+y)

After interchanging the digits

New number = (10y+x)

(10x+y) + (10y+x) = 110

11x +11y = 110

11(x+y)= 110

x+y = 110/11

x+y= 10…………...(1)

x= 10-y……………(2)

(10x+y) - 10 = 4+ 5(x+y)

(10x+y) - 10 = 4+ 5(10)

(10x+y) = 4+ 50+10

(10x+y) = 64

10(10-y) +y = 64

100-10y +y= 64

100 -9y = 64

-9y = 64-100

-9y = -36

y= 36/9= 4

y= 4

putting the value of y in eqn 2

x= 10-y

x= 10-4

x= 6

Hence , the first number is 6 & second number is 4.

Original Number is 10x+y = 10× 6+4= 60+4= 64

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