RRB JE 28th May 2019 Shift-2
Instructions
For the following questions answer them individually
Question 22
In the given figure, the circle represents soldiers, rectangle represents professors, and square represents painters. Which region represents the persons who are professors and painters but not soldiers?
Question 25
Which of the following gases is produced when an acid reacts with metal carbonate or metal hydrogen carbonate?
Question 26
Basha walked towards south and then turned left. Again he turned left and turned right. How many times did he turn toward east?
Question 27
If $$\sin 2A = 2 \sin^2 A$$, then find the value of '$$A$$' ($$A$$ ≠0 and $$A$$ is acute).
Question 29
Evaluate: $$\left(\frac{\tan 20^\circ}{\cosec 70^\circ}\right)^2 + \left(\frac{\cot 20^\circ}{\sec 70^\circ}\right)^2 + (2 \tan 15^\circ \tan 75^\circ)$$
