Part C - Elementary Mathematics
If the radius of a cylindrical tank is 7 m and its height is 9 m, then find the capacity of the tank (in m³). (Use π =\( \frac{22}{7} \))
Which of the following numbers must be added to each of the numbers 9, 16, 13 and 23 so that the resulting numbers are in proportion?
\( \frac{2}{5} \)
\( \frac{2}{3} \)
\( \frac{1}{3} \)
\( \frac{1}{2} \)
Find the value of [(23 × 12) × {6 ÷ 2 × (\(\frac{18 - 12}{2}\)}]
When difference between compound and simple interest for three years is ₹155 at 10% interest per annum, the principal is ₹______