Two pipes A and B can fill a tank in \(1 \tfrac{1}{3}\) hours and 2 hours respectively, If both the pipes are opened simultaneously, in how much time will it be filled.
\(1 \tfrac{1}{4}\ \text{hours}\)
\(55\ \text{minutes}\)
\(48\ \text{minutes}\)
\(1 \tfrac{2}{3}\ \text{hours}\)
If a2+b2+c2=2(a+c-1), then the value of a3+b3+c3=?
In 2010, a company's total expenditure was categorised under different expense heads, and their % distribution is illustrated in the bar graph shown below.
The total amount of expenditure of the company is _______ times that of expenditure on R&D.
The circumferance of the base of a conical tent of height 8m is 32πm. Find its curved surface area.
164\(\sqrt{5}\)πm2
162\(\sqrt{3}\)πm2
132\(\sqrt{3}\)πm2
128\(\sqrt{5}\)πm2
Find the exact value of sin150°