Asked by samikshya
A two digit number is 4 times the sum of its digits .The sum of the number formed by reversing its digits and 9is equal to 2 times the original number find the number
Answers
Answered by
oobleck
10a+b = 4(a+b)
10b+a + 9 = 2(10a+b)
The number is 36
check:
36 = 4(3+6)
63+9 = 2(36)
yep.
10b+a + 9 = 2(10a+b)
The number is 36
check:
36 = 4(3+6)
63+9 = 2(36)
yep.
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