Common prime factors of $36,60$ and $72$ are

Two numbers are said to be co-prime numbers if their HCF is

Use Atbash Cipher that is given in code $3$ where all the letters are reversed that is $A$ to $Z$  and $Z$ to $A$. 

$G Z N R O=$_____.

Use Atbash Cipher that is given in code $3$

$V M T O R H S=$_____.

Use Atbash Cipher that is given in code $3$

$N Z G S V N Z G R X H=$_____

Using Atbash Cipher given in code $3$ in which $A$ to $Z$ is substituted as $Z$ to $A$, decode the following

$H X R V M X V=$_____.

Use Atbash Cipher that is given in code $3$

$H L X R Z O H X R V M X V=$_____.

Match the following ($A=00, B=01, C=02$........$Z=25$).

(i) MATHEMATICS -        (a) $18200119 170002 1908 14 13$

(ii) ADDITION -                (b) $030821 08 1808 14 13$

(iii) SUBTRACTION -       (c) $12 00 1907 04 12 0019 08 02 18$

(iv) MULTIPLICATION -   (d)$0003 03 08 19 08 14 13$

(v) DIVISION -                 (e) $1220111908151115020019081413$

“Note: This question given in the book seems to have errors and the modified question should be as given below.”

Match the following ($A=00, B=01, C=02$........$Z=25$).

(i) MATHEMATICS -        (a) $18200119 170002 1908 14 13$

(ii) ADDITION -                (b) $030821 08 1808 14 13$

(iii) SUBTRACTION -       (c) $12 00 1907 04 12 0019 08 02 18$

(iv) MULTIPLICATION -   (d)$0003 03 08 19 08 14 13$

(v) DIVISION -                 (e) $1220111908151108020019081413$