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3a two digit number is equal to four times the number obtained byreversing the order of its digits. If the difference of the digits is 3, determine theven tnumbt ioining the noints (-4, 6) and |
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Answer» Let numbers be x at ones place and y at tens place so 10y+x is that digit now reversed digit is 10x+yaccording to question 7 (10y+x)=4(10x+y)x=2y (i)now given x-y=3from eq. i 2y=x2y-y=3y=3sox=63 required original no. is 36 and reversed digit is 63 Like my answer if you find it useful! |
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