Sulekha bought 36 kg of sugar for Rs. 1,040. She sold it at a profit equal to the selling price of 10 kg of it. What is the selling price (in Rs.) for 5 kg of sugar ?

\(\sqrt{sec^2 \theta+cosec^2\theta}\) is equal to 

Find the value of θ, if sec² θ + (1 - √3) tan θ - (1 + √3) = 0, where θ is an acute angle.

A sells an article to B making a profit of 1/5 of his outlay. B sells it to C, gaining 20%. If C sells it for Rs 600 and incurs a loss of 1/6 of his outlay, the cost price of A is