Six persons A, B, C, D, E, F sit around a circular table. A sits between B and C. D sits opposite to B. E is to the left of A. Who sits opposite to A?
Answer: A
In circular arrangement: B-A-C order with A between B and C. D opposite B. E left of A means E-A-C arrangement. F must be opposite A.
Q.9Medium
Statement: All teachers are educators. Some educators are researchers. Conclusion: Some teachers are researchers.
Answer: B
From the given statements, we cannot conclude that some teachers are researchers as researchers may only come from non-teacher educators.
Q.10Medium
A man walks 8 km North, then 6 km East, then 4 km South. How far is he from the starting point?
Answer: D
Net displacement: 6 km East and 4 km North (8-4). Distance = √(6² + 4²) = √(36+16) = √52 = 2√13 km
Q.11Medium
If COMPUTER is coded as GSVNUCVS, what is the coding method?
Answer: B
C→G (shift -6), O→I (shift -6), etc. Each letter is shifted 6 positions backward in the alphabet.
Q.12Medium
Four friends A, B, C, D are standing in a row. B is to the right of A. C is to the right of D but to the left of B. D is to the left of A. What is the correct order?
Answer: A
D is leftmost. A is right of D. C is right of D but left of B. B is rightmost. Order: D-A-C-B
Q.13Medium
In a code, FLOWER is written as EKNVDQ. How is GARDEN written in the same code?
Answer: B
Each letter is shifted backward by 1. G→F, A→Z, R→Q, D→C, E→D, N→M = FZQDCM
Q.14Medium
X is the uncle of Y. Y is the sister of Z. Z is the father of W. How is W related to X?
Answer: A
X is uncle of Y. Y is sister of Z. So X is also uncle of Z. Z is father of W. Therefore, W is nephew of X.
Q.15Medium
Five boxes are arranged in order of weight. Box C is heavier than Box A. Box B is lighter than Box D. Box E is the heaviest. Box A is lighter than Box B. Which box is the lightest?
Answer: A
From A<B<D and A<C and E is heaviest. Testing: A<B, A<C, B<D, E heaviest. A is lightest.
Q.16Medium
Series: 1, 1, 2, 3, 5, 8, 13, ?
Answer: A
Fibonacci sequence where each number is sum of previous two. 8+13=21
Q.17Medium
A girl leaves home at 9 AM, walks North for 2 km, turns West for 3 km, turns South for 4 km. In which direction is she from home?
Answer: A
Net: 3 km West, 2 km South (4-2). She is Southwest of home.
Q.18Medium
Statement: All students are hardworking. No lazy person is hardworking. Conclusion: No student is lazy.
Answer: A
If all students are hardworking and no lazy person is hardworking, then logically no student can be lazy.
Q.19Medium
If TIGER is coded as 20-9-7-5-18, how is ZEBRA coded?
Answer: A
Letters coded by position in alphabet. Z=26, E=5, B=2, R=18, A=1. Answer is 26-5-2-18-1
Q.20Medium
Series: 3, 7, 15, 31, 63, ?
What comes next?
Answer: A
Pattern: 2¹+1=3, 2³-1=7, 2⁴-1=15, 2⁵-1=31, 2⁶-1=63, 2⁷-1=127. Each is 2ⁿ-1 where n starts at 2
