Explanation: All except 9 are prime numbers. 9 equals 3 times 3.
A Brush
B Easel
C Palette
D Canvas
Explanation: A doctor uses a stethoscope, a painter uses a brush.
Explanation: Making B common: A to C equals 6 to 15.
Explanation: Differences are 4, 6, 8, 10, 12. Next is 30 plus 12 equals 42.
A DSSOH
B CRRNH
C DSSNH
D CRRPH
Explanation: Each letter shifted by plus 3. APPLE becomes DSSOH.
Explanation: Perfect squares. Next is 36.
Explanation: All except 9 are primes.
Explanation: Differences are 1, 2, 3, 4, 5. Next is 11 plus 5 equals 16.
A 3 km
B 4 km
C 5 km
D 7 km
Explanation: Pythagoras gives 5 km.
A Sunday
B Monday
C Friday
D Holiday
Explanation: The first three are specific days. Holiday is a general term.
A Friday
B Saturday
C Sunday
D Monday
Explanation: Today is Wednesday, tomorrow is Thursday, three days after is Sunday.
Explanation: Straightforward multiplication: 7 times 6 equals 42.
A Daughter
B Wife
C Sister
D Mother
Explanation: The mother of a man\'s only son is his own wife.
Explanation: Differences are 10, 15, 20, 25. Next is 55 plus 25 equals 80.
A DJSMDF
B DJTNEG
C EJTNEF
D DJSMDF
Explanation: Each letter shifted by plus 1. CIRCLE becomes DJSMDF.
Explanation: Differences are 8, 12, 16, 20. Next is 48 plus 20 equals 68.
A Daughter
B Sister
C Cousin
D Niece
Explanation: Priya is Mohan\'s mother and also Ram\'s wife Geeta. Sita is Ram\'s daughter, making Sita the daughter of Priya.
Explanation: Differences are 3, 5, 7, 9, 11. Next is 27 plus 11 equals 38.
Explanation: D(4) times O(15) times G(7) equals 420. With the given pattern the code for DOG is 42.
Explanation: Each term times 3 plus 1. 121 times 3 plus 1 equals 364.