5555+ Aptitude and Reasoning Questions, Answers With Explanation

Q:

B M N G O P C Q R H S T F L U V W X Y A K Z D I E J

Counting from left if it is possible to make a meaningful word from the third and fifth letters from left, using each at least twice and third letter from right in sequence, only once , write the first letter of the word as your answer. If more than one such word can be formed write "M" as your answer, and if no word can be formed write 'X' as your answer.

A) M	B) X
C) O	D) I

Answer & Explanation Answer: C) O

Explanation:

Specified letters from the left are N and O , and the letter from the right is I.

With these letters , according to the conditions given in the question , one Word ONION can be formed. Clearly , first letter of this word is O.

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Filed Under: Alphabet Test

175 207408

Q:

Simplify the following :

$\frac{37^{3} + 35^{3} + 28^{3} - 3 x 37 x 35 x 28}{37^{2} + 35^{2} + 28^{2} - 37 x 35 - 35 x 28 - 37 x 28}$ ?

A) 100	B) 1
C) 4	D) 0

Answer & Explanation Answer: A) 100

Explanation:

Given $\frac{37^{3} + 35^{3} + 28^{3} - 3 x 37 x 35 x 28}{37^{2} + 35^{2} + 28^{2} - 37 x 35 - 35 x 28 - 37 x 28}$

It is in the form of

$\frac{a^{3} + b^{3} + c^{3} - 3 a b c}{a^{2} + b^{2} + c^{2} - a b - b c - c a}$ = a + b + c

Here a = 37, b = 35 & c = 28

=> a + b + c = 37 + 35 + 28 = 100

Therefore, $\frac{(37)^{3}+(35)^{3}+(28)^{3}-3x37x35x28}{(37)^{2}+(35)^{2}+(28)^{2}-37x35-35x28-37x28}$ = 100

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Filed Under: Simplification
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

26 207374

Q:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

If the first five letters of English alphabet are reversed , so are the next five and so on and last letter is left unchanged then what will be 2nd letter to the left of 17th letter from the right?

A) S	B) G
C) H	D) R

Answer & Explanation Answer: C) H

Explanation:

2nd letter to the left of 17th letter from the right means (2 + 17 = ) 19th letter from the right = (26 - 19 + 1 =) 8th letter from the left end , i.e H. Thus, 8th letter falls into the second section of the reversed sequence. Now, the sequence FGHIJ is reversed and becomes JIHGF. Clearly, position of H remains unchanged. Hence the required letter is H.

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Filed Under: Alphabet Test

36 207267

Q:

Find the wrong number in the series.

1, 2, 6, 15, 31, 56, 91

A) 31	B) 15
C) 56	D) 91

Answer & Explanation Answer: D) 91

Explanation:

The difference of the two consecutive numbers are 1, 4, 9, 16, 25, 35.

This is clearly , $+ (1^{2}), + (2^{2}), + (3^{2}), + (4^{2}), + (5^{2}), + (6^{2})$

Here 35 is wrong, So our wrong number is 91

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Filed Under: Number Series

662 205237

Q:

Insert the missing number.

16, 33, 65, 131, 261, (....)

A) 523	B) 521
C) 613	D) 721

Answer & Explanation Answer: A) 523

Explanation:

Each number is twice the preceding one with 1 added or subtracted alternatively.

So, the next number is (2 x 261 + 1) = 523.

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Filed Under: Odd Man Out

45 204972

Q:

In a certain code language,

(A) ‘pit na som’ means ‘bring me water’

(B) ‘na jo tod’ means ‘water is life’

(C) ‘tub od pit’ means 'give me toy’

(D) ‘jo lin kot’ means ‘life and death’

Which of the following represents 'is' in that language ?

A) jo	B) na
C) tod	D) lin

Answer & Explanation Answer: C) tod

Explanation:

Justification:

In statements A and B, the common code word is 'na' and the common word is 'water'.

So, 'na' means 'water'.

In statements B and D, the common code word is 'jo' and the common word is 'life'.
So, 'jo' means 'life'.
Thus, in statements B, 'tod' represents 'is'.

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Filed Under: Coding and Decoding

790 196731

Q:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z.

Which letter is in the middle of 13th letter from the left and 4th letter from the right?

A) R	B) I
C) J	D) S

Answer & Explanation Answer: A) R

Explanation:

Find out the positions of both the letters from the left and divide the sum of the positions of both the letters from the left by 2. Here 13+23=36. Now divide 36 by 2 , i.e 18. Hence R is the required letter.

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Filed Under: Alphabet Test

192 193273

Q:

A E C B % 7 D $ E B 5 C ? 3 D E 9 @ 2 #

If all the vowels are dropped from the above arrangement which of the following will be the twelth from the left end of the above arrangement?

A) 3	B) @
C) D	D) 9

Answer & Explanation Answer: C) D

Explanation:

After dropping vowels we have the following arrangement:

C B % 7 D $ B 5 C ? 3 D 9 @ 2 #

Hence, D is twelth from the left end of the above arrangement.

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Filed Under: Alphabet Test

48 192875

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Quantitative Aptitude - Arithmetic Ability

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