Logical Problems Questions and Answers
Practice ModeShowing 10 of 25 questions
Q21
A train 150m long crosses a pole in 10 seconds. What is its speed in km/h?
Answer: Option C
Explanation: Speed = Distance/Time = 150m/10s = 15 m/s. Convert to km/h: 15 × 18/5 = 54 km/h
Q22
If 3×4=15, 5×6=33, 7×8=57, then 9×10=?
Answer: Option C
Explanation: Pattern: a×b = (a×b) + 3. 3×4=12+3=15, 5×6=30+3=33, 7×8=56+3=57. So 9×10=90+3=93
Q23
In a class of 50 students, 30 play cricket, 25 play football, and 10 play both. How many play neither?
Answer: Option A
Explanation: Using set formula: Total = Cricket + Football - Both + Neither. 50 = 30 + 25 - 10 + N → 50 = 45 + N → N = 5
Q24
Find the odd one out: Square, Circle, Triangle, Rectangle, Pentagon
Answer: Option B
Explanation: All are polygons except Circle which is a curved shape, not a polygon.
Q25
A person is 5th from left and 7th from right in a row. How many people in the row?
Answer: Option B
Explanation: Position from left + Position from right - 1 = Total. 5 + 7 - 1 = 11 people