Mettl Logical and Abstract Reasoning 5 — Questions and Answers
Question 1: Series: 81, 27, 9, 3, __. What is the next number?
- 2
- 1 (Correct answer)
- 0
- 0.5
Correct answer: 1
Each term is divided by 3: 81→27→9→3→1.
Question 2: Only doctors can prescribe medicine. Sarah prescribes medicine. Therefore:
- Sarah may or may not be a doctor
- Sarah is definitely a doctor (Correct answer)
- Sarah is not a doctor
- All doctors prescribe medicine
Correct answer: Sarah is definitely a doctor
If only doctors can prescribe medicine, then anyone who prescribes medicine must be a doctor.
Question 3: A 3×3 grid pattern: each row sums to 15. Row 1: 2, 7, 6. Row 2: 9, 5, 1. Row 3: 4, ?, 8. What is '?'?
- 2
- 3 (Correct answer)
- 4
- 5
Correct answer: 3
Row 3 must sum to 15: 4+?+8=15 → ?=3.
Question 4: If today is Wednesday, what day will it be 100 days from now?
- Monday
- Tuesday
- Friday (Correct answer)
- Thursday
Correct answer: Friday
100 mod 7 = 2; Wednesday + 2 days = Friday.
Question 5: Abstract series of shapes: the number of sides increases by 1 each step — triangle, square, pentagon, hexagon, __.
- Octagon
- Heptagon (Correct answer)
- Pentagon
- Nonagon
Correct answer: Heptagon
Sides: 3, 4, 5, 6, 7 — the next shape is a heptagon (7 sides).
Question 6: Which conclusion follows? Premise 1: All squares are rectangles. Premise 2: Shape X is not a rectangle.
- Shape X is a square
- Shape X may be a square
- Shape X is not a square (Correct answer)
- Shape X is a parallelogram
Correct answer: Shape X is not a square
By contrapositive of Premise 1, if something is not a rectangle it cannot be a square.
Question 7: Mirror image logic: the word BRAIN reflected horizontally reads as?
- NIARB
- BRAIN (unchanged)
- A mirror reversal of each letter facing left (Correct answer)
- BRAIN with letters reversed left-right
Correct answer: A mirror reversal of each letter facing left
A horizontal reflection flips each letter to face left, changing their internal appearance while keeping the order.
Mettl Logical and Abstract Reasoning 5
Series: 81, 27, 9, 3, __.
What is the next number?