The length of shadow of a tower is √3 times that of its length. The angle of elevation of the sun is

XYZ is a right angled triangle and ∠Y = 90°. If XY = 2.5 cm and YZ = 6 cm then the circumradius of ∆XYZ is

If 2x-12x = 5, then what is the value x2 + 116x2 - 2

Sashi can do a piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is:

In ΔABC, the medians AD and BE meet at G. The ratio of the areas of ΔBDG and the quadrilateral GDCE is

If √3 = 1.732, then the value of 9+233?

The compound interest on Rs. 1000 at 10% per annum for 3 years in (Rs.) is

A man travels 3⁄4th of the distance of his journey by bus, 1⁄6th by Rickshaw and 2 km on foot. Then total distance travelled by the man is