Question

plz solve this fast ​

Answer 1

1.24(bar)

let x=1.242424....... _______(1)

periodicity is '2'

so, we can multiply both sides by 100,we get

x=1.242424.... ×100=

100x=124.242424....._______(2)

by subtracting (1) from (2)

100x=124.242424....

(-) x= 1.242424....

____________________

99x= 123

_____________________

therefore 99x=123

x=123/99

therefore 1.24(bar) =123/99

Step-by-step explanation:

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Answer 2

Answer:

Let x=12.28888......-equation 1

Then, by multiplying both the side 10x=122.888888......-equation 2

Now,subtract equation 1 from equation 2i.e. 10x-x=122.888.......-12.288888....... 9x=110.6

x=110.6÷9

$\large\bf\purple{So\:the\:right\:answer\:is}$

1106/90=553/45

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1st question solution is already solved by santhimedhanki..