Question

solve this question properly no spam explain well no. 6​

Answer 1

Answer:

Answer is 1/2 ..............

Answer 2

Solution :

$\longrightarrow\sf{(2^{-1}\times 5^{-1})^{-1} \div 5^{-1}}\\\\\\\longrightarrow\sf{\bigg(\dfrac{1}{2} \times \dfrac{1}{5} \bigg)^{-1}\div \dfrac{1}{5} }\\\\\\\longrightarrow\sf{\bigg(\dfrac{1}{10} \bigg)^{-1}\div\dfrac{1}{5} }\\\\\\\longrightarrow\sf{10\times 5}\\\\\longrightarrow\bf{50}$

Option (b) correct .