Find the circumference (in m) of the largest circle that can be inscribed in a rectangle whose dimensions are given as 12 m and 7 m.
Take π=\( \frac{22}{7} \)
A man sells two articles for Rs 20,000 each. He gets a profit of 15% on one article and loses 15% on the other article. What is his overall profit or loss (to the nearest integer) in this transaction?
Two pipes can fill a tank in 25 hours and 35 hours, respectively. The time (in hours) required to fill the tank when both pipes are opened simultaneously is:
\(\frac{165}{12}\)
\(\frac{175}{14}\)
\(\frac{175}{12}\)
\(\frac{165}{14}\)