Question

Insert a rational number between and irrational number between the following :
(i)-2/5 and 1/2
(ii)0.15 and 0.16

Answer 1

1) -2/4 & 1/2

= -2/4= -1/2

so, A rational number between -1/2 & 1/2 is

1

Now, an irrational number between -1/2 & 1/2

= 0.010010001....

2) A rational number between 0.15 & 0.16

or, 0.150 & 0.160

so, an rational number= 0.151

& irrational number= 0.152020020002...

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hope it helps you☺