A Positive number is 5 times another number. If 21 is added to both the Number, then one of Thenew Number become twice the other New Number. What are the numbers ?
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LET THE NUMBER BE X
LET THE POSTIVE NO. BE Y
A/Q
Y=5X
=5X-Y=O ..............(1)
IF 21 IS ADDED TO BOTH
NUMBER= X+21
POSITIVE NUMBER=Y+21
A/Q
Y+21=2(X+21)
Y+21=2X+42
2X-Y= -21 .................(2)
SOLVING BOTH THE EQUATIONS
WE GET
X=7
Y=35
HENCE THE NUMBER =7 AND THE POSITIVE NUMBER=35
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