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Biology
A. 121
B. 196
C. 250
D. 225
Answer: All except 250 are perfect squares. 250 is not a perfect square.
Biology
A. Son
B. Brother
C. Husband
D. Nephew
Answer: My mother\'s only daughter is the woman herself, so the man is her son.
Biology
A. QDFHS
B. SHFDQ
C. SHEFT
D. UJHFS
Answer: The code reverses the word and shifts each letter back by 1.
Biology
A. Sister
B. Cousin
C. Niece
D. Aunt
Answer: A is father of B and E. C is B\'s daughter, making C the niece of E.
Biology
A. me
B. ta
C. ga
D. se
Answer: Comparing both phrases, me means you. So ta means are.
Biology
A. Chair
B. Table
C. Sofa
D. Bed
Answer: Chair, Table, and Sofa are living room furniture. Bed is bedroom furniture.
Biology
A. H
B. I
C. G
D. J
Answer: Positions: Z(26), W(23), S(19), N(14). Differences are 3, 4, 5, 6, 7. The answer is H.
Biology
A. ALLOZAX
B. ALLXXZ
C. ALNZBZ
D. ALOZBZ
Answer: Each letter is shifted backward with a decreasing pattern giving ALLOZAX.
Biology
A. EOJDJEFM
B. FOJDJEFN
C. EOJEDEMF
D. FMEJDJEF
Answer: The code reverses the word and applies a specific shift. MEDICINE becomes EOJDJEFM.
Biology
A. 28
B. 29
C. 30
D. 31
Answer: Total equals left plus right minus 1 equals 12 plus 18 minus 1 equals 29.
Biology
A. Monday
B. Tuesday
C. Wednesday
D. Sunday
Answer: If day before yesterday was Thursday, today is Saturday. Three days after Sunday is Tuesday.
Biology
A. 30
B. 36
C. 35
D. 49
Answer: Perfect squares: 1, 4, 9, 16, 25, 36.
Biology
A. Sister
B. Daughter
C. Mother
D. Aunt
Answer: The only son of Arun\'s grandfather is Arun\'s father. His daughter is Arun\'s sister.
Biology
A. 5 km North
B. 5 km South
C. 5 km East
D. 10 km East
Answer: North and South cancel out. He is 5 km East of start.
Biology
A. 69
B. 79
C. 59
D. 89
Answer: Each term times 2 plus 1: 4 times 2 plus 1 equals 9, and so on. 39 times 2 plus 1 equals 79.
Biology
A. 11
B. 13
C. 12
D. 15
Answer: Fibonacci sequence: each term is the sum of two preceding. 5 plus 8 equals 13.
Biology
A. 106
B. 104
C. 108
D. 102
Answer: Each term times 2 plus increasing number: 5 times 2 plus 1, 11 times 2 plus 2, etc. 51 times 2 plus 4 equals 106.
Biology
A. Great-grandson
B. Grandson
C. Son
D. Great-granddaughter
Answer: E is grandmother of C, C is mother of A, so A is grandson of E.
Biology
A. January
B. February
C. Wednesday
D. April
Answer: January, February, and April are months. Wednesday is a day of the week.
Biology
A. U
B. T
C. V
D. S
Answer: Gaps are plus 2, 3, 4, 5, 6. O plus 6 gives U.