Analogy & Odd One Out: Practice Questions with Answers
Number and letter analogies, and spotting the item that does not fit. Try each question first: tap an option to check it, and the explanation appears below.
Question 1Medium
In the same way as 6 is related to 216 and 4 is related to 64, which number is related to 8?
Show answerAnswer
✅ D. 512
In both pairs, the second number is the cube of the first number: 6 → 216 and 4 → 64. Applying the same rule to 8 gives 512.
Question page →Question 2Easy
OP is related to RS in the same way as HL is related to which pair?
Show answerAnswer
✅ A. KO
Each letter of OP moves 3 places forward: O → R and P → S. Moving each letter of HL 3 places forward gives H → K and L → O, so the answer is KO.
Question page →Question 3Medium
In the same way as 6 is related to 37 and 8 is related to 65, which number is related to 3?
Show answerAnswer
✅ C. 10
In both pairs, the second number is the square of the first number plus 1: 6 → 37 and 8 → 65. Applying the same rule to 3 gives 10.
Question page →Question 4Medium
Three of these letter groups follow the same pattern. Which one is the odd one out: CEG, IKN, OQS, KMO?
Show answerAnswer
✅ B. IKN
In CEG, OQS, KMO, each letter is 2 places after the one before it (for example O = 15, Q = 17, S = 19). In IKN the steps are 2 and 3, so it is the odd one out.
Question page →Question 5Easy
OS is related to TX in the same way as MO is related to which pair?
Show answerAnswer
✅ C. RT
Each letter of OS moves 5 places forward: O → T and S → X. Moving each letter of MO 5 places forward gives M → R and O → T, so the answer is RT.
Question page →Question 6Easy
QU is related to SW in the same way as BC is related to which pair?
Show answerAnswer
✅ A. DE
Each letter of QU moves 2 places forward: Q → S and U → W. Moving each letter of BC 2 places forward gives B → D and C → E, so the answer is DE.
Question page →Question 7Medium
Three of these letter groups follow the same pattern. Which one is the odd one out: ACE, MOQ, JLM, OQS?
Show answerAnswer
✅ C. JLM
In ACE, MOQ, OQS, each letter is 2 places after the one before it (for example O = 15, Q = 17, S = 19). In JLM the steps are 2 and 1, so it is the odd one out.
Question page →Question 8Easy
LP is related to RV in the same way as QS is related to which pair?
Show answerAnswer
✅ B. WY
Each letter of LP moves 6 places forward: L → R and P → V. Moving each letter of QS 6 places forward gives Q → W and S → Y, so the answer is WY.
Question page →Question 9Medium
In the same way as 4 is related to 16 and 8 is related to 64, which number is related to 12?
Show answerAnswer
✅ C. 144
In both pairs, the second number is the square of the first number: 4 → 16 and 8 → 64. Applying the same rule to 12 gives 144.
Question page →Question 10Medium
Which number is the odd one out: 129, 73, 41, 113?
Show answerAnswer
✅ A. 129
73, 41, 113 are each a prime number. 129 is not a prime number, so it is the odd one out.
Question page →Question 11Easy
GI is related to LN in the same way as MN is related to which pair?
Show answerAnswer
✅ D. RS
Each letter of GI moves 5 places forward: G → L and I → N. Moving each letter of MN 5 places forward gives M → R and N → S, so the answer is RS.
Question page →Question 12Easy
HI is related to MN in the same way as LP is related to which pair?
Show answerAnswer
✅ A. QU
Each letter of HI moves 5 places forward: H → M and I → N. Moving each letter of LP 5 places forward gives L → Q and P → U, so the answer is QU.
Question page →Question 13Medium
In the same way as 4 is related to 16 and 11 is related to 121, which number is related to 6?
Show answerAnswer
✅ C. 36
In both pairs, the second number is the square of the first number: 4 → 16 and 11 → 121. Applying the same rule to 6 gives 36.
Question page →Question 14Medium
Which number is the odd one out: 181, 71, 153, 31?
Show answerAnswer
✅ C. 153
181, 71, 31 are each a prime number. 153 is not a prime number, so it is the odd one out.
Question page →Question 15Medium
In the same way as 6 is related to 210 and 12 is related to 1716, which number is related to 8?
Show answerAnswer
✅ A. 504
In both pairs, the second number is the cube of the first number minus the number itself: 6 → 210 and 12 → 1716. Applying the same rule to 8 gives 504.
Question page →Question 16Easy
GH is related to IJ in the same way as ST is related to which pair?
Show answerAnswer
✅ B. UV
Each letter of GH moves 2 places forward: G → I and H → J. Moving each letter of ST 2 places forward gives S → U and T → V, so the answer is UV.
Question page →Question 17Easy
JN is related to MQ in the same way as EF is related to which pair?
Show answerAnswer
✅ C. HI
Each letter of JN moves 3 places forward: J → M and N → Q. Moving each letter of EF 3 places forward gives E → H and F → I, so the answer is HI.
Question page →Question 18Easy
OR is related to QT in the same way as QU is related to which pair?
Show answerAnswer
✅ A. SW
Each letter of OR moves 2 places forward: O → Q and R → T. Moving each letter of QU 2 places forward gives Q → S and U → W, so the answer is SW.
Question page →Question 19Medium
Three of these letter groups follow the same pattern. Which one is the odd one out: AEI, GKO, OSW, JNS?
Show answerAnswer
✅ D. JNS
In AEI, GKO, OSW, each letter is 4 places after the one before it (for example A = 1, E = 5, I = 9). In JNS the steps are 4 and 5, so it is the odd one out.
Question page →Question 20Medium
Three of these letter groups follow the same pattern. Which one is the odd one out: BDG, EGI, RTV, MOQ?
Show answerAnswer
✅ A. BDG
In EGI, RTV, MOQ, each letter is 2 places after the one before it (for example E = 5, G = 7, I = 9). In BDG the steps are 2 and 3, so it is the odd one out.
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