Comparison between Large and Small Numbers

Q. The mass of Venus is $4.8\times {10}^{24}\text{kg}$ and of Mercury is $3.2\times {10}^{23}\text{kg}$. The mass of Venus is ___ times of that of Mercury.

1. 1.5
2. 150
3. 15
4. 0.15

Q.

A car covers a distance of ${60}^k$ metres in an hour. Calculate the speed of the car in m/sec.

1. ${60}^k$

2. ${60}^{k-2}$

3. ${60}^{k+2}$

4. None of the above

Q. Superman can fly at speeds almost equal to $2.6\times {10}^6$ m/s. A supersonic jet on the planet Krypton can fly at a maximum speed of 260000 m/s. Choose the correct option(s).

1. Superman is faster than the jet.
2. Superman's speed is 10 times the speed of the jet.
3. The jet is faster than Superman.
4. Jet's speed is 10 times the speed of Superman.

Q. This table shows the mass of one atom of Titanium and Silver. Which element is lighter, Silver or Titanium?
\begin{tabular}{c|c|} \hline Element & Mass of atom (kg) \\ \hline Titanium & \( 7.95 \times 10^{-26} \) \\ \hline Silver & \( 1.79 \times 10^{-25} \) \\ \hline \end{tabular}

Q. Superman can fly at a speed almost equal to $(2.6\times {10}^2)$ mi/h. A supersonic jet on the planet Krypton can fly at a maximum speed of $7.3\times {10}^2$ km/h. Choose the correct option.

1. Speed of jet is 314 km/h faster than the speed of Superman.
2. Speed of Superman is 314 km/h faster than the speed of jet.
3. Both travel at same speed.
4. Can't be detemined

Q. Superman flies at a speed of $2.6\times {10}^7$ m/s . If the speed of a jet is 130000 m/s, then Superman's speed is times the speed of the jet.

1. 200
2. 2000
3. 240
4. 2400