Question

6) Which of the following is a rational number (OR) Find 1/5 of 80 is
O O
0 (OR) 20
0 -1/2 (OR) 40
w
O 3/5 (OR) 14
O all of the above (OR) 16​

Answer 1

$\textrm{'OF' generally refers to multiplication in Mathematics}$

$\longrightarrow\textrm{1/5 of 80 is same as 1/5 \times 80}$

$\longrightarrow\rm{1/5\times 80 = 80/5=16}$

$\rule{315}{2}$

$\bigstar\quad\textrm{Hence, 16 is the required answer}$