5555+ Aptitude and Reasoning Questions, Answers With Explanation

Q:

In a certain code language, 'dom put ta' means 'bring hot food';

'put tir sop' means 'food is good' and

'tak da sop' means 'good bright boy'.

Which of the following does mean 'hot' in that language ?

A) dom	B) pul
C) ta	D) Can't be determined

Answer & Explanation Answer: D) Can't be determined

Explanation:

Justification:

We can find the code for 'food' form the first and second statements.
Now, to find the code for 'hot',
we need to the code for 'bring' which cannot be determined from the given information.

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Filed Under: Coding and Decoding

61 223709

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

37 221569

Q:

(A) '134' means 'you are well';

(B) '758' means 'they go home';

(C) '839' means 'we are home';

Which of the statements can be dispensed with while answering the above question?

A) A only	B) B only
C) A or C only	D) B or C only

Answer & Explanation Answer: A) A only

Explanation:

Justification:

We can find the code for 'home' from the second and third statements.

For finding the code for 'they', we need the code for 'go' which cannot be determined from the given data.
Clearly, statement A is not necessary.

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Filed Under: Coding and Decoding

381 220423

Q:

In a family, there are six members A, B, C, D, E and F.

A and B are a married couple, A being the male member. D is the only son of C, who is the brother of A. E is the sister of D. B is the daughter-in-law of F, whose husband has died. How is E related to C ?

A) Sister	B) Daughter
C) Cousin	D) Mother

Answer & Explanation Answer: B) Daughter

Explanation:

A is a male and married to B. So, A is the husband and B is the wife. C is the brother of A. D is the son of C. E. who is the sister of D will be the daughter of C. B is the daughter-in-law of F whose husband has died means F is the mother of A.

Clearly. E is the daughter of C.

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Filed Under: Blood Relations

712 219598

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

664 218381

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

791 216303

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 215783

Q:

Find the odd one out ?

Hawk , Parrot , Owl , Eagle

A) Eagle	B) Owl
C) Parrot	D) Hawk

Answer & Explanation Answer: C) Parrot

Explanation:

All except Parrot are birds of prey.

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Filed Under: Odd Man Out
Exam Prep: GATE , CAT , Bank Exams
Job Role: Bank PO , Bank Clerk

18 211788

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Quantitative Aptitude - Arithmetic Ability

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