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Browse complete papersWhich one is different from the others?
121
189
169
144
Correct answer
189
Why this answer is correct
The logic followed here is that all the numbers except one are perfect squares.
121 = 112
169 = 132
144 = 122
The number 189 is not a perfect square as it cannot be expressed as an integer squared.
Hence, the correct answer is "Option 2".
In each of these questions, a number series is given. In each series, only one number is wrong number. Find out the wrong number.
5, 11, 21, 43, 86, 171
172
86
5
43
Correct answer
86
Why this answer is correct
The logic followed here is:
Therefore, the wrong term in the given series is 86, which should be 85.
Hence, the correct answer is "Option 2".
A and B are sisters. C is the brother of A. D is the father of C. How is D related to B?
Father
Uncle
Brother
Father-in-law
Correct answer
Father
Why this answer is correct
Decoding symbols for Family Tree:
Let's decode the relationships step-by-step:
A and B are sisters.
C is the brother of A. This means A, B, and C are all siblings.
D is the father of C. Since A, B, and C are siblings, D is the father of all three of them.
According to the given information Family Tree Representation:
Now, let's determine how D is related to B:
Thus, D is the Father of B.
Hence, the correct answer is "Option 1"
In a class of 41 students, Ramesh is ranked 21st from the top. What is his rank from the bottom?
22
21
30
20
Correct answer
21
Why this answer is correct
The logic followed here is:
We can find the rank from the bottom using the following formula:
Rank from the bottom = (Total number of students) - (Rank from the top) + 1
Given:
Total number of students = 41
Ramesh's rank from the top = 21st
Applying the formula:
Rank from the bottom = 41 - 21 + 1
= 20 + 1 = 21
So, Ramesh's rank from the bottom is 21st.
Hence, the correct answer is "Option 2".
Four of the following five are alike in a certain way and hence form a group. Which is the one that does not belong to that group?
TRUTH : USVUI
HOUSE: IPVTF
FLOUR: GMPVS
SMILE : TNKLI
Correct answer
SMILE : TNKLI
Why this answer is correct
The logic followed here is a consistent +1 shift in alphabetical position for each letter.
1. SMILE : TNKLI
SMILE: TNKLI is the only one with inconsistent shifts, so it does not belong to the group.
BRING: CSJOH
FLOUR: GMPVS
HOUSE: IPVTF
TRUTH: USVUI
Therefore, SMILE : TNKLI is the one that does not belong to the group.
Hence, the correct answer is "Option 4".
If 4 workers can complete a task in 8 days. How many days will 8 workers take to complete the same task?
10 days
4 days
6 days
8 days
Correct answer
4 days
Why this answer is correct
Given:
Number of workers (W1) = 4
Days to complete the job (D1) = 8 days
Number of new workers (W2) = 8
Formula used:
W1 × D1 = W2 × D2
Where, D2 is the number of days taken by the new workers
Calculation:
4 × 8 = 8 × D2
⇒ 32 = 8 × D2
⇒ \(\dfrac{32}{8}\) = D2
⇒ D2 = 4
The correct answer is 4 days.
In each of the following questions, a word is transformed into another word by applying a specific alphabetical pattern to each of its letters. Identify the logic used in the first pair and apply the same logic to the second word to determine the correct answer.
LIGHT : MJGHW :: HEAVY : ?
IFAVB
HISAT
JENZQ
GPIDB
Correct answer
IFAVB
Why this answer is correct
The logic followed here is,
LIGHT : MJGHW
HEAVY : ?
The final coded word is IFAVB.
Hence, the correct answer is "Option 1".
Complete the series: 2, 6, 14, 30, 62, ?
120
122
124
126
Correct answer
126
Why this answer is correct
The logic followed here is:
Thus, the missing term in the series is 126.
Hence, the correct answer is "Option 4".
Fill in the blank: 4, 12, 6, 18, 9, __
18
27
36
12
Correct answer
27
Why this answer is correct
The logic followed here is:
Thus, the missing term in the series is 27.
Hence, the correct answer is "Option 2".
No humans are immortal. Some humans are scientists. Which of the following conclusions can be made ?
All humans are immortal
All scientists are mortal
Some scientists are not immortal
Some scientists are not humans
Correct answer
Some scientists are not immortal
Why this answer is correct
Given Statements:
No humans are immortal.
Some humans are scientists.
The least possible Venn diagram for the given statements is:
Conclusions:
I. All humans are immortal. → False (This directly contradicts the first statement, "No humans are immortal.")
II. All scientists are mortal. → False (The statements do not provide enough information to definitively conclude that all scientists are mortal. So we do not say that "All scientists are mortal".)
III. Some scientists are not immortal. → True (Since "No humans are immortal" and "Some humans are scientists," it logically follows that the group of scientists who are humans must not be immortal. This is a definite conclusion.)
IV. Some scientists are not humans. → False (The statements only confirm that some scientists are humans, not that any are non-human. This conclusion cannot be drawn.)
So, only conclusion III follows.
Hence, the correct answer is "Option 3".