# Amazon Reasoning Ability

Posted on :11-02-2016
AMAZON Reasoning Ability

NOTE: This section is not present in this companys placement process. If you still want to practise, some questions are provided below.

DIRECTIONS for the question 1 to 3:

Go through all the options and mark the one which does not belong to the group.

Q1.

A) 71-55
B) 517-523
C) 248-231
D) 547-563

ANS: C

Explanation:

248-231 = 17
563-547=16
71-55=16
523-517=06

Except in the number pair 248-231, in all others number pair, the difference between the two numbers is an even number.

Q2. 10, 13, 234, 681, 997

A) 681
B) 13
C) 234
D) 10

ANS: A

Explanation:

10 => 1+0 =1 or 1^2
13 =>1+3 = 4 or 2^2
234 =>2+3+4 = 9 or 3^2
681=>  6+8+1 = [15]
997 => 9+9+7 = 25 or 5^2

So the sum of the digits in all the numbers is a perfect square except for 681, hence that is odd.

Q3. Choose amongst the Options below.

A) Heed
B) Led
C) Heap
D) Head

ANS: B

Explanation:

Except in the word Led, in all other words there are two vowels.
Hence the answer is option 2.

DIRECTIONS for the question 4-8:

What should come in place of question mark (?) in the following number/alphabetic series?

Q4. C 3, E 5, G 7, I  9, ?, ?

A) K  11, M  13
B) O  15, X  24
C) M  18, K  14
D) X  24, M  21

ANS: A

Explanation:

Q5. 5, 16, 51, 158, ?

A) 483
B) 481
C) 1454
D) 1452

ANS: B

Explanation:

5 - 3 + 1 = 16
16 - 3 + 3 = 51
51 - 3 + 5 = 158
158 - 3 + 7 = [481]

Q6. 9 - 2: 9 - 9 : : 9 - 5 : ?

A) 9 - 6
B) 9 - 7
C) 9 - 8
D) 9 - 4

ANS: A

Explanation:

9-2=18
9-9=81
The digits of resultant have interchanged positions therefore,
9-5=45
9-6=54

Q7. AFI, JOR, MRU, ?

A) HMP
B) PMO
C) RJL
D) GJN

ANS: A

Explanation:

Q8. bc, cde, de, efg, fg, ?

A) fgh
B) hij
C) ijk
D) Ghi

ANS: D

Explanation:

The answer should be the last alphabhet of fg ( i.e g ) and the next two alphabets i.e hi . Hence answer is ghi
bc cde  de efg  fg  ghi

Q9. A man showed a boy next to him and said – “He is the son of my wifes sister-in-law, but I am the only child of my parents.” How is mans son related to him?

A) Brother
B) Uncle
C) Nephew
D) Cousin

ANS: D

Explanation:

The boy is the son of mans brother-in-law. Therefore, mans son is the cousin of that boy.

Q10. Find the correct group of signs to solve the equation. 24 * 16 * 8 * 32

A) - + =
B) x / =
C) + - =
D) / - =

ANS: C

Explanation:

The best way to solve this question is by hit and trial . Use the answer options and find the value.
24 * 16 * 8 * 32
24 + 16 - 8 = 32
40-8 = 32
In this case, option C is correct.

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