WBCS Mains 2018 Official Paper-VI

Major is related to Lieutenant in the same way as Squadron Leader is related to:

Select the lettered pair that has the same relationship as the original pair of words:
$$\text{Calligraphy : Writing}$$

If $\sqrt{15}=3.8729$, then the value of $\frac{\sqrt{5}+\sqrt{3}}{\sqrt{5}-\sqrt{3}}$ is:

Starting from a point, Kalidas walked $12\text{m}$ North, he turned right and walked $10\text{m}$, he again turned right and walked $12\text{m}$, then he turned left and walked $5\text{m}$. How far is he now and in which direction from the starting point?

Consider the following propositions and conclusions:
Propositions:

* Some garnets are stones.
* Some stones are diamond.
* No diamond is a gem.

Conclusions:

1. Some gems are pearls.
2. Some gems are diamond.
3. No gem is a diamond.
4. No gem is a garnet.

Choose the correct alternative: