If \(6tan\theta-5\sqrt3sec\theta+12cot\theta=0\) where, \(0 <\theta< 90\), then value of \(cosec\theta +sec\theta\) is:

A can run 22.5 m while B runs 25 m. In a kilometre race B beats A by:

A house of height 100 metres subtends a right angle at the window of an opposite house. If the height of the window is 64 metres, then the distance between the two houses is

A marks her goods 25% above the cost price. She sells 25% of the goods at the marked price, 60% at 25% discount and the remaining at 10% discount. What is her overall gain or loss percent?