14m
10m
7m
5m
Correct answer is C
Volume of a cylinder = \( \pi r^2\)h
385 = \(\frac{22}{7}\) x \(r^2\) x 10
385 x 7 = 22 x \(r^2\) x 10
\(r^2\) = \(\frac{385 \times 7}{22 \times 10}\)
= 12.25
r = \(\sqrt{12.25}\)
= 3.5m
Hence, diameter of tank = 2r
= 2 x 3.5 = 7m
If x = (all prime factors of 44) and y = (all prime factors of 60), the elements of X ∪ Y and X ...
Determine the value of x for which (x2 - 1)>0 ...
Solve the inequality 2x + 3 < 5x...
The 4th term of an A.P. is 13 while the 10th term is 31. Find the 24th term. ...
The solution to the simultaneous equations 3x + 5y = 4, 4x + 3y = 5 is...
Simplify \(\frac{4\frac{3}{4} - 6\frac{1}{4}}{4\frac{1}{5} \text{ of } 1\frac{1}{4}}\)...
Given that sin \(\theta\) = -0.9063, where O \(\leq\) \(\theta\) \(\leq\) 270°, find \...
Given that loga2 = 0.693 and loga3 = 1.097, find loga 13.5...