The total surface area of a solid cube is 4.86 m². It is melted and recast into a right circular cylinder of radius 0.3 m. What is the height (in m) of the cylinder (correct to one decimal place)?Take \(\pi = \frac{22}{7}\).
In what time will a sum of ₹1,25,000 amount to ₹1,48,877 at 12% per annum, if interest is being compounded half yearly?
\(1\frac{1}{2}\ \mathrm{years}\)
\(2\frac{1}{2}\ \mathrm{years}\)
1 year
3 years
If sin B =\(\frac{9}{41}\) , then what is the value of cot B, where 0° < B < 90° ?
\(\frac{41}{9}\)
\(\frac{40}{9}\)
\(\frac{9}{41}\)
\(\frac{40}{9}\)
The value of \(\frac{\cos 8^\circ \cos 24^\circ \cos 60^\circ \cos 66^\circ \cos 82^\circ}{\sin 82^\circ \sin 66^\circ \sin 60^\circ \sin 8^\circ \sin 24^\circ}\) is:
Study the following graph and answer the question that follows.
Number of students that appeared and qualified, from various colleges, at a scholarship examination.
The average number of students that qualified in the examination from Colleges X and Y is what percentage of the average number of students that appeared for the examination from the same colleges?
The difference between the two perpendicular sides of a right-angled triangle is 17 cm and its area is 84 cm². What is the perimeter (in cm) of the triangle?