Question : Particulate(<1 μ m size) remaining suspended in air indefinitely and transported by wind currents are called

Option 1: Mists

Option 2: Fumes

Option 3: Aerosols

Option 4: Smoke

Question : If $P =\frac{96}{95\times97}, Q = \frac{97}{96\times98}$ and $R = \frac{1}{97}$, then which of the following is true?

Option 1: $P < Q < R $

Option 2: $R < Q < P $

Option 3: $Q < P < R $

Option 4: $R < P < Q $

Question : If the numbers $\sqrt[3]{9}, \sqrt[4]{20}$ and $\sqrt[6]{25}$ are arranged in ascending order, then the right arrangement is:

Option 1: $\sqrt[6]{25}<\sqrt[4]{20}< \sqrt[3]{9}$

Option 2: $\sqrt[3]{9}<\sqrt[4]{20}<\sqrt[6]{25}$

Option 3: $\sqrt[4]{20}<\sqrt[6]{25}<\sqrt[3]{9}$

Option 4: $\sqrt[6]{25}<\sqrt[3]{9}<\sqrt[4]{20}$

Question : If $5 \sin^2 A+3 \cos^2 A=4$, $0<A<90°$, then what is the value of $\tan A$?

Option 1: 0

Option 2: 3

Option 3: 1

Option 4: 2

Question : If $\sec\theta+\tan\theta=m\left (> 1 \right)$, then the value of $\sin\theta$ is $\left (0^{\circ} < \theta<90^{\circ} \right)$:

Option 1: $\frac{1-m^{2}}{1+m^{2}}$

Option 2: $\frac{m^{2}-1}{m^{2}+1}$

Option 3: $\frac{m^{2}+1}{m^{2}-1}$

Option 4: $\frac{1+m^{2}}{1-m^{2}}$

Question : Which of the following is correct?

Option 1: $\frac{2}{3}< \frac{3}{5}< \frac{11}{15}$

Option 2: $\frac{3}{5}< \frac{2}{3}< \frac{11}{15}$

Option 3: $\frac{11}{15}< \frac{3}{5}< \frac{2}{3}$

Option 4: $\frac{3}{5}< \frac{11}{15}< \frac{2}{3}$