Mirror Images— Concepts, Formulas & Shortcuts
- A vertical mirror reverses left–right; a water (horizontal) image reverses top–bottom.
- Letters unchanged in a vertical mirror: A, H, I, M, O, T, U, V, W, X, Y.
- Digits unchanged in a vertical mirror: 0, 8 (and 1 in most exam fonts).
- For a word, reverse the character order first, then flip each character.
- Letters unchanged in a WATER image: B, C, D, E, H, I, K, O, X (they are symmetric top-to-bottom).
- Mirror-clock time = 11:60 − given time (use 12:00 − time when the minutes are zero).
Mirror Images Practice Questions with Answers
Attempt each question first, then open the explanation. All 12 questions below are free to read and require no signup.
Q1.Which of these words appears unchanged in a vertical mirror?
Moderate- AMOM
- BCAT
- CDOG
- DPEN
Mirror Images question 1 of 12+Show Answer & Explanation
Answer: A. MOM
Explanation: M and O are both vertically symmetric and MOM is a palindrome, so both the character order and the shapes survive reflection.
Q2.Which capital letter has a mirror image identical to itself?
Easy- AB
- BF
- CH
- DP
Mirror Images question 2 of 12+Show Answer & Explanation
Answer: C. H
Explanation: H is symmetric about its vertical axis; B, F and P are not.
Q3.The mirror image of the word RAMP, with the mirror placed on the right, is:
Easy- APMAR
- BRAMP
- CPMRA
- DMARP
Mirror Images question 3 of 12+Show Answer & Explanation
Answer: A. PMAR
Explanation: A vertical mirror reverses the order of the letters, giving PMAR (with each letter itself laterally inverted).
Q4.In a mirror the time appears as 8:20. The actual time is:
Moderate- A3:40
- B4:40
- C2:40
- D3:20
Mirror Images question 4 of 12+Show Answer & Explanation
Answer: A. 3:40
Explanation: Actual = 11:60 − 8:20 = 3:40.
Q5.Which digit remains unchanged in a vertical mirror image?
Easy- A2
- B5
- C8
- D9
Mirror Images question 5 of 12+Show Answer & Explanation
Answer: C. 8
Explanation: 8 is symmetric about its vertical axis, so it reflects onto itself.
Q6.Which letter looks the same in a WATER image (reflection in a horizontal surface)?
Difficult- AA
- BF
- CH
- DP
Mirror Images question 6 of 12+Show Answer & Explanation
Answer: C. H
Explanation: A water image flips top to bottom. H is symmetric about its horizontal axis, so it is unchanged; A, F and P are not.
Q7.Which of these capital letters is NOT symmetric in a vertical mirror?
Easy- AA
- BH
- CM
- DR
Mirror Images question 7 of 12+Show Answer & Explanation
Answer: D. R
Explanation: A, H and M are symmetric about a vertical axis; R is not, so its mirror image differs from itself.
Q8.The mirror image of the word "TOP", with the mirror on the right, reads:
Moderate- APOT
- BTOP
- COPT
- DPTO
Mirror Images question 8 of 12+Show Answer & Explanation
Answer: A. POT
Explanation: A vertical mirror reverses the order of characters, so TOP becomes POT (with each letter laterally inverted).
Q9.In a mirror, a clock shows 9:15. The actual time is:
Moderate- A2:45
- B3:45
- C2:15
- D3:15
Mirror Images question 9 of 12+Show Answer & Explanation
Answer: A. 2:45
Explanation: Actual = 11:60 − 9:15 = 2:45.
Q10.Which digit is NOT symmetric in a vertical mirror?
Moderate- A0
- B3
- C8
- D1
Mirror Images question 10 of 12+Show Answer & Explanation
Answer: B. 3
Explanation: 0, 8 and 1 are vertically symmetric in standard exam fonts; 3 opens to the left and is not.
Q11.A vertical mirror reverses which pair of directions?
Easy- ATop and bottom
- BLeft and right
- CFront and back
- DNone
Mirror Images question 11 of 12+Show Answer & Explanation
Answer: B. Left and right
Explanation: A vertical mirror produces lateral inversion, swapping left with right while leaving top and bottom unchanged.
Q12.In a mirror the time appears as 12:00. The actual time is:
Difficult- A12:00
- B6:00
- C11:60
- D1:00
Mirror Images question 12 of 12+Show Answer & Explanation
Answer: A. 12:00
Explanation: 12:00 is symmetric about the vertical axis of the dial, so the mirror shows the same time.
Mirror Images — Frequently Asked Questions
Which letters look identical in a mirror?+
The vertically symmetric capitals: A, H, I, M, O, T, U, V, W, X and Y. Every other capital changes shape when reflected in a vertical mirror.
How do I calculate a mirror-clock time?+
Subtract the given time from 11:60. If a mirror shows 8:20, the actual time is 11:60 − 8:20 = 3:40.
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