Logical Reasoning Test

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Logical Reasoning Test - 2

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Question 1
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Directions For Questions

In the following question, two rows are given and to find out the resultant of a particular row, you need to follow the rules given below. Give answer according to the question asked.

Rules:
(1) If a two-digit odd number is followed by a two-digit odd number, they are to be added.
(2) If a two-digit even number is followed by a two-digit odd number, which is a perfect square, the even number is to be subtracted from the odd number.
(3) If a three-digit number is followed by a two-digit number, the first number is to be divided by the second number.
(4) If a prime number is followed by an even number, the two are to be added.
(5) If an even number is followed by another even number, the two are to be multiplied.

...view full instructions

If 'X' is the resultant of the first row, find the sum of the squares of the resultants of the two rows.

28 8 56

19 X 37

A
3350

B
3616

C
3140

D
3250

Solution

First row:
The first number in the first row is 28 (even) and it is followed by 8 (even).

Using rule 5:
28 x 8 = 224 (resultant - a three-digit number)
Now, the first number is 224 (a three-digit number) and the second number is 56.

Using rule 3:
224/56 = 4
So, resultant of the first row = 4

Second row:
The first number is 19 (a prime number) and the second number is 4 (even).

Using rule 4:
19 + 4 = 23
Now, the first number is 23 (odd) and the second number is 37 (odd).

Using rule 1:
23 + 37 = 60

So, resultant of the second row = 60
Therefore, sum of the squares of the resultants of both the rows = 4² + 60² = 16 + 3600 = 3616
Question 2
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Directions For Questions

Study the following information to answer the questions given below it.

An electronic device, when fed with numbers, rearranges them in a particular order following certain rules. The following is a step-by-step process of rearrangements for a given input of numbers:

Input : 85 16 36 04 19 97 63 09
Step I : 97 85 16 36 04 19 63 09
Step II : 97 85 63 16 36 04 19 09
Step III : 97 85 63 36 16 04 19 09
Step IV : 97 85 63 36 19 16 04 09
Step V : 97 85 63 36 19 16 09 04
(Step V is the last step.)

Now, answer the following questions based on the rules followed in the above process:

...view full instructions

Which of the following will be step III for the given input?

Input : 09 25 16 30 32 19 17 06

A
32 25 09 16 30 19 17 06

B
32 30 25 09 16 19 17 06

C
32 30 09 25 16 19 17 06

D
32 09 25 16 19 17 06 30

Solution

The given illustration shows the pattern:
In every step a number is arranged in descending order.

Input: 09 25 16 30 32 19 17 06
Step I: 32 09 25 16 30 19 17 06
Step II: 32 30 09 25 16 19 17 06
Step III: 32 30 25 09 16 19 17 06
Question 3
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Find the missing term in the following series.

?, 97, 167, 257, 367, 497, 647

A
47

B
75

C
85

D
87

Solution

The pattern is the addition of 50, 70, 90, 110, 130, 150.... to the series 47, 97, 167, 257, 367, 497, 647.

Therefore, the missing number is 47.

Question 4

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Directions For Questions

In the question below is given a word followed by four combinations of digits and symbols numbered (1), (2), (3) and (4). You have to find out which of the combinations correctly represents the word based on the following coding system and the conditions that follow and mark the number of that combination as your answer. If none of the combinations correctly represents the word, mark (5) i.e. 'None of these’, as your answer.

Letter

Digit/Symbol Code

Conditions:
(i) If the first letter is a vowel and the last letter is a consonant, both are to be coded as ‘&’.
(ii) If the first letter is a consonant and the last letter is a vowel, both are to be coded as ‘=’.
(iii) If the first and last letters are consonants, both are to be coded as the code for the last letter.

...view full instructions

ELEPHANT

#%#16798

=%#16798

T%#1679T

&%#1679&

Solution

The first letter is a vowel and the last letter is a consonant, so condition (i) applies. The code should start as well as end with '&'. Option 4 satisfies it.