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Q. Find $r_1$ and $r_2$ without using quadratic equation.

$(235)​​​_{r_1}= (565)_{10}=(1065)_{r_2}$

a) $r_1=16$ &  $r_2=8$

b) $r_1=10$ &  $r_2=16$

edited | 245 views

• Option a is right.
• ## from given option  put the value Then it become easy.

by Boss (35.4k points)
selected
+1
Thank you
+1
in question it is mention that find the value of r1 and r2 without using quadratic eq but u use quadratic equation .any other method to solve this question
0
Another Approach -
Base 10 $\rightarrow$ Base 16 $\rightarrow$ Base 2 $\rightarrow$ Base 8
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you mean binary format?
+2
Yes. By options, we can see that $r_1 \ and \ r_2$ can be 16 or 8 only.
So conversion from base 10 to base 16 will make everything easy.

+1 vote