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Sam me bhej dunga
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Let two digit number be x, y
X+y=8. 1
(x+y)=4(x-y)
8/4=x-y
2=x-y. 2
Solving first and 2 equation we get
X=5 and y=3 answer is (5,3)
3)x+y=18. 1
Value of x=18-y
X/y+2=1/3
Put the value of x
18-y/y+2=1/3
By criss croos methods we gwt
X=5and y=13
So fraction is 5/13
4)let the sons age =x
Lets father's age=y
2x+y=70. 1
X+2y=95. 2
Multiply 2 equation by 2 and add and subtract the equation we get
X=15 y=40
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