Tell whether the number \( 77 \) is prime or composite. prime composite 

\( \begin{array}{ll}\text { A) } 28.3+4.98+3.7= & \text { H) } 459 \times 103= \\ \text { B) } 47.698+79.489= & \text { 1) } 349 \times 65= \\ \text { C) } 2.99+0.06+78+16.9= & \text { J) } 64.18 \times 7= \\ \text { D) } 948-329= & \text { K) } 1.232+4= \\ \text { E) } 8.270-136= & \text { L) } 36.108+12= \\ \text { F) } 975-88.15= & \text { M) } 8.5-4= \\ \text { G) } 148.64-29= & \text { N) } 123.5+5=\end{array} \)

how that the product of 12 and 20 is equal to the product of their H.C.F and \( L \)-C.M.

If \( 3^2 \) is calculated, what is the result?

9. What is the cost of half a dozen pencils if one pencil costs Rs. 2.00 ?

What percentage is 36 of 82 ?