The perimeter of a right-angled triangle is 60 cm, and its hypotenuse is 26 cm. Find its area? 

many times will the buttons of a typewriter be pressed to write the numbers 121 to 1346?

A and B together can do a piece of work in 12 days, A and C together can do the same work in 15 days. If B and C together can do the same work in 20 days, then in how many days A, B and C together can complete the same work?

$${sin^2θ\over cosθ(1+cosθ)}+{1+cosθ\over cosθ} =?$$

The average of six consecutive odd numbers is 26. Find the difference between the largest and the smallest of these numbers.

A dealer sold an article at a loss of 2%. Had he sold it for ₹44 more, he would have gained 20%. Find the cost price of the article.

The price of jewelry , passing through three hands. rises on the whole by 65 %. If the first and the second sellers earned 20 % and 25 % profit respectively, the profit earned by the third seller is 

A prism and a pyramid have the same base and the same height. Find the ratio of the volumes of the prism and the pyramid.