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In the following question, the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ the passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/ passage and find out which of the four combinations is correct. 1. Anyone who has had a scary dream has wondered what is the purpose of such dreams. P. A new study may be able to shed light on that, concluding that scary dreams prepare us to deal with real-life threats.  Q. It was found that the longer  someone had felt fear in their dreams, the less the insula, cingulate and amygdala [the brain region that flips on the fight-or-flight response] were activated when the same person looked at the negative pictures. R. Researchers caution that not all scary dreams are created equal, however, nightmares — dreams characterized by extreme levels of fear — often disrupt sleep and linger with an individual long after they wake. S. Their future work will examine nightmares more closely; they suspect they will not find the same benefits from them as from mildly scary dreams. 6. “We believe that if a certain threshold of fear is exceeded in a dream, it loses its beneficial role as an emotional regulator,” Dr Perogamvros said.
Hold fast to dreams for when dreams go
..... the psychoanalytic perspective ,Freud's theory of dreams suggests that dreams are a representation of unconscious desires.
Dreams are not meaningless,…….during dreams brain produces new ideas.
Statements : Some dreams are nights. Some nights are days.

Conclusions :
I. All days are either nights or dreams.
II. Some days are nights.
The letters P, Q, R, S, T and U are to be placed one per vertex on a regular convex hexagon, but not necessarily in the same order. Consider the following statements: The line segment joining R and S is longer than the line segment joining P and Q. The line segment joining R and S is perpendicular to the line segment joining P and Q. The line segment joining R and U is parallel to the line segment joining T and Q. Based on the above statements, which one of the following options is CORRECT?
In a plane, line X is perpendicular to line Y and parallel to line Z; line U is perpendicular to both lines V and W; line X is perpendicular to line V. Which one of the following statements is correct?
In a plane, line X is perpendicular to line Y and parallel to line Z; line U is perpendicular to both lines V and W; line X is perpendicular to line V. Which one of the following statements is correct?
Given are the steps to draw a perpendicular to a line at a point within the line when the point is near the centre of a line. Arrange the steps. Let AB be the line and P be the point in it i. P as centre, take convenient radius R1 and draw arcs on the two sides of P on the line at C, D. ii. Join E and P iii. The line EP is perpendicular to AB iv. Then from C, D as centre, take R2 radius (greater than R1), draw arcs which cut at E.
Given are the steps to draw a perpendicular to a line from a point outside the line, when the point is near the centre of line. Arrange the steps. Let AB be the line and P be the point outside the line i. The line EP is perpendicular to AB ii. From P take convenient radius and draw arcs which cut AB at two places, say C, D. iii. Join E and P. iv. Now from centers C, D draw arc with radius (more than half of CD), which cut each other at E.