Eight people M, N, O, P, Q, R, S, T sit in a line. M is 4th from left. N is immediate right of M. S is 2nd from right. How many people sit between N and S?
A2
B3
C4
D5
Correct Answer: B. 3
Explanation:
M at position 4, N at position 5. S at position 7 (2nd from right in 8-person row). Between positions 5 and 7 = 1 person. Recount: positions 5 to 7, people between = position 6 only = 1 person. Check: S at 7, between 5 and 7 = just 6, that's 1 person.
All politicians are ambitious. Some ambitious people are honest. Based on this, which statement is definitely false?
AAll politicians are honest
BSome politicians are honest
CSome politicians are ambitious
DNo politician is honest
Correct Answer: A. All politicians are honest
Explanation:
First statement guarantees all politicians are ambitious, but second statement only guarantees some ambitious are honest, not all. Statement A assumes all are honest - not necessarily true.
In a circular seating arrangement, 6 people A, B, C, D, E, F sit around a table. B sits opposite to E. A is to the immediate right of B. C is between D and F. Who sits to the immediate left of D?
AF
BC
CE
DA
Correct Answer: C. E
Explanation:
In circular arrangement with 6 people: B opposite E means 3 seats apart. A right of B. C between D and F means F-C-D or D-C-F. Testing positions: B at 1, A at 2 (right), E at 4 (opposite). Remaining D,C,F for 3,5,6. If D at 3, C at 5, F at 6: C is left of D. If D at 6, C at 3, F at 5: F is left of D. Checking constraint 'C between D and F': F(6)-C(5)-D(3) works in circular. Left of D(3) is C(5).
All writers are creative. Some creative people are teachers. Statement: Some teachers are writers. This statement is:
ATrue
BFalse
CUncertain
DDefinitely False
Correct Answer: C. Uncertain
Explanation:
From 'All writers are creative' and 'Some creative people are teachers', we cannot definitively conclude whether any teachers are writers. Teachers could be creative without being writers. The conclusion is uncertain.
