In the year 2016, there were 52 weeks and P days. Find the value of P.

Find the value of $$ {\sqrt{(cos^{2}20°+cos^{2}70°)}}$$

Find the value of $$\left({1\over {sin 60°}} \right)^{2} + (cos 30°)^{2} \over(tan 45°)^{2}$$.

Find the value of ∠BAC in the given diagram If AB=AC=CD and ∠ADB=20°?

Δ ABC is a right angled triangle whose angle A is right angled. Which side needs to bisect to form two other right angled triangles?

Four numbers, when arranged in ascending order, are w, x, y and z. The average of the smallest three numbers is 25.5 while the average of the largest three was 29.5. What is the range of the data?

Sai can do any work in 17 days. While Bindu can do it in 51 days. Sai works on the first day Bindu works on the second day and this sequence continues until the work is over. How many days will it take to complete the work?

How much interest will be received in 2.5 years at the rate of 4 percent simple interest of Rs. 3,680?