Question

17.
A two digit number can be written in the form of an algebraic expression as 10x + y, when x is digit at tens
place and y is at units place.
i) “The tens digit is two times the units digit." The linear equation representing the above situation is
a) x+2y=0 b) x-2y=3
c) x+2y=2
d) x-2y=0
ii) "When number is decreased by 18, the digit are reversed." The linear equation representing the above
situation is
a) x-y+2=0 b) x+y+2=0
c) x-y-2=0
d) -x-y-2=0
iii) If the facts given in (a) and (b) above are correct then the digit at tens place is-
a) 4
b) 3
c) 6
d) 10
iv) If the facts given in (a) and (b) above are correct then the digit at unit place is-
a) 9
b) 2
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c) 6
d) 10
v) If the facts given in (a) and (b) above are correct then the two digit number is,
b) 84
c) 48
d) 42
a) 24​

Answer 1

Answer:

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