SSC CGL 2024 Tier-I · 25 September 2024, Shift 3 · General Intelligence and Reasoning · Question 10 of 100

Text as printed on a candidate's response sheet for this shift; answer per SSC's tentative key as marked on that sheet. Solution last reviewed 10 September 2026.

Where this paper and its answers come from

SSC does not publish CGL question papers or a public answer key. The questions and options here are reproduced as printed on a candidate's own response sheet for this shift — the Commission's text, unchanged. Each answer is SSC's tentative key as marked on that sheet; SSC allowed challenges to it and never publishes a final key. The solutions are written by UnlockIAS.

Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.

Answer

Why

Correct — C. Rule: MN is vertical, so the row is read backwards and every character is flipped left to right.

The figure prints 4 m r g K 2 with the mirror standing to its right. In the image the order runs 2 K g r m 4, and each character is reversed sideways rather than turned over.

Work along the row. The 2 becomes a backwards 2 that looks like an S. The K turns so its arms open to the left. The g and the r face the other way.

The m is close to symmetrical and comes through looking unchanged. The 4 ends with its upright stroke on the left instead of the right.

Option (c) is the row that shows all six characters that way.

Why the others are wrong

(a)
The K is not reversed here: its arms still open to the right, as in the question. The m has also been turned upside down rather than flipped sideways.
(b)
The 4 is printed as it stands, with its upright stroke on the right. A left-to-right flip has to move that stroke to the other side.
(d)
The 4 is turned upside down instead of being reversed. A mirror on a vertical line reflects a character but never rotates it.

Concept

A vertical mirror line does two separate things to a row of characters, and both must be checked: the reading order reverses, and each individual glyph is flipped left to right.

Options in this stem usually agree on the order and differ on one glyph, so compare character by character, starting from the ends of the row.

Symmetrical characters are the quiet trap. m, o, A, H, 8 and 0 come through a lateral flip looking essentially unchanged, so they can never separate one option from another.

The last character decides this item. Three of the four options agree on the first five glyphs and part company only over the 4 — reversed, left alone, or turned upside down.

Key facts

A vertical mirror reverses the reading order of a row and flips each character left to right.
The row 4 m r g K 2 becomes 2 K g r m 4 before any character is flipped.
A lateral flip never turns a character upside down, which would be a rotation rather than a reflection.

Study next

Mirror images of character rows when MN is verticalWater images, where the mirror line is horizontal and characters turn over insteadWhich letters and digits survive a lateral flip unchanged

Common traps

Reversing the order but forgetting to flip the individual characters
Accepting an upside-down glyph as a mirrored one

SSC sets this stem with drawings and with rows of characters — also asked at Reasoning Q.7 of the 25 Sep 2024, 16:00 sitting, where the figure is a panel of shapes, and 9 Sep 2024, 09:00, Reasoning Q.10 and Q.13.

Related PYQs

No directly related past PYQ was found.