Amazon Aptitude Paper 2 - Interview Preparation MCQ

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.

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.

Except in the word Led, in all other words there are two vowels.

Hence the answer is option 2.

5 - 3 + 1 = 16

16 - 3 + 3 = 51

51 - 3 + 5 = 158

158 - 3 + 7 = [481]

9-2=18

9-9=81

The digits of resultant have interchanged positions therefore,

9-5=45

9-6=54

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

The boy is the son of man's brother-in-law. Therefore, man's son is the cousin of that boy.

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.