For the following questions answer them individually
If the heights of two cylinders are in the ratio of 2 : 3 and their- radius are in the ratio of 6 : 5, then what is the ratio of the volumes of the cylinders?
If $$2sec^{2}\theta - 9\sec\theta + 7 = 0$$ , then what is the value of $$\cos^{2} \theta + \sec^{2} \theta$$?
The table given below shows the production of bike and truck by five companies.
J1 = The average production of bike by all the 5 companies.
J2 = The average production of truck by all the 5 companies.
What is the value of (J1 : J2)?
A sum amounts to Rs. 6580 in 2 years and amounts to Rs.7896 in 3 years on compound interest (compounding annually) at the same rate of interest. What is the annual rate of interest?
What is the value of $$\frac{\frac{5}{12} of \frac{6}{25} - \frac{5}{6} \times \frac{12}{33} + \frac{5}{11} \div \frac{25}{33}}{\frac{1}{6} \div \frac{1}{2} + \frac{1}{6} \times \frac{1}{2} - \frac{1}{2} of \frac{1}{6}}$$