From the given alternatives, select the best answer which has the same relationship as in the 1st pair. Mosquito : Insect :: Frog : ?

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

From the given alternatives, select the best answer which has the same relationship as in the 1st pair. Mosquito : Insect :: Frog : ?

AAmphibian

BReptile

CMammal

DAvian

Akhilesh ? Apr 4 '25 at 22:13

correct answer is: option a (Amphibian)
Explanation: A mosquito belongs to the category of insects. Similarly, a frog belongs to the category of amphibians.

• Option a: Amphibian is the correct answer because frogs are amphibians.
• Option b: Reptile is incorrect because frogs are not reptiles.
• Option c: Mammal is incorrect because frogs are not mammals.
• Option d: Avian is incorrect because frogs are not avian (birds).

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Direction: Read the following information carefully to answer these questions. A $B means A is mother of B, A # B means A is father of B, A @ B means A is husband of B, A % B means A is daughter of B. If G$ M @ K, how is K related to G?

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

Direction: Read the following information carefully to answer these questions. A $B means A is mother of B, A # B means A is father of B, A @ B means A is husband of B, A % B means A is daughter of B. If G$ M @ K, how is K related to G?

ADaughter-in-law

BMother-in-law

CDaughter

DAunt

Akhilesh ? Apr 4 '25 at 22:13

correct answer is: option a : Daughter-in-law [Daughter-in-law]
Explanation: Let's break down the relationship using the given symbols:
G $M @ K translates to: - G is the mother of M (G$ M)
- M is the husband of K (M @ K)
Therefore, K is the wife of M, and M is the son/daughter of G. Thus, K is the daughter-in-law of G.

• Option a: This is the correct answer as explained above.
• Option b: This is incorrect. G is the mother-in-law of K.
• Option c: This is incorrect. K is not the daughter of G.
• Option d: This is incorrect. K is not the aunt of G.

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Select the letter that can replace the question mark (?) in the following series? M, P, O, R, Q, T, S, ?

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

Select the letter that can replace the question mark (?) in the following series? M, P, O, R, Q, T, S, ?

AR

BT

CV

DU

Akhilesh ? Apr 4 '25 at 22:13

correct answer is: option c (V)
Explanation: The series follows two alternating patterns. The first pattern adds 2 to the letter (M + 2 = O, O + 2 = Q, Q + 2 = S). The second pattern adds 2 to the letter (P + 2 = R, R + 2 = T, T + 2 = V). Therefore, the missing letter is V.

• Option a: R - Incorrect. R would fit if the previous letter in the series was P, not S.
• Option b: T - Incorrect. T fits the second pattern, but the missing letter should follow the second pattern which is obtained by adding two to the last letter that follows the second pattern.
• Option c: V - Correct. V fits as T + 2 = V
• Option d: U - Incorrect. U doesn't fit the pattern formed by adding two to the letters following either the first pattern or the second pattern.

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Directions: Study the following information carefully and answer the question based on it. Five friends are standing in a straight line. Sonam is near to Rahul and Mona is near Bilal. Karthik is at the left end of the line. Mona is second from the right. Sonam and Mona are adjacent to each other. Who is sitting in the middle?

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

Directions: Study the following information carefully and answer the question based on it. Five friends are standing in a straight line. Sonam is near to Rahul and Mona is near Bilal. Karthik is at the left end of the line. Mona is second from the right. Sonam and Mona are adjacent to each other. Who is sitting in the middle?

ASonam

BMona

CBilal

DRahul

Akhilesh ? Apr 4 '25 at 22:13

correct answer is: option a (Sonam)
Explanation: Let's analyze the given information to determine the arrangement of the five friends:

• Karthik is at the left end: _Karthik_ _ _ _ _
• Mona is second from the right: _Karthik_ _ _ _ Mona_
• Sonam and Mona are adjacent: _Karthik_ _ _ Sonam Mona_ (since Mona is on the right, Sonam must be to her left)
• Sonam is near to Rahul: _Karthik_ _ Rahul Sonam Mona_
• The last position must be Bilal: _Karthik Bilal Rahul Sonam Mona_

Therefore, Sonam is sitting in the middle.

• Option a: Sonam is indeed in the middle, as derived above.
• Option b: Mona is second from the right, not in the middle.
• Option c: Bilal is second from the left, not in the middle.
• Option d: Rahul is to the left of Sonam, not in the middle.

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Which two numbers and two signs can be interchanged so as to balance the given equation ? 16 × 4 + 12 ÷ 4 - 15 = 59

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

Which two numbers and two signs can be interchanged so as to balance the given equation ? 16 × 4 + 12 ÷ 4 - 15 = 59

A4 and 12; × and ÷

B16 and 12; + and -

C15 and 16; × and +

D12 and 15; ÷ and -

Akhilesh ? Apr 4 '25 at 22:32

correct answer is: OPTION b
Explanation: After swapping 16 and 12, and changing the + to
- and the
- to +, the equation becomes 12 × 4
- 16 ÷ 4 + 15, which equals 59.

• OPTION A: Results in 37, not 59.
• OPTION B: Results in 59, balancing the equation.
• OPTION C: Results in 47, not 59.
• OPTION D: Results in 55.75, not 59.

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In the following question, select the odd word from the given alternatives.

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

In the following question, select the odd word from the given alternatives.

AVeena

BTabla

CSitar

DGuitar

Akhilesh ? Apr 4 '25 at 22:13

correct answer is: option b (Tabla)
Explanation: Veena, Sitar, and Guitar are string instruments, while Tabla is a percussion instrument. Therefore, Tabla is the odd one out.

• Option a: Veena is a stringed instrument.
• Option b: Tabla is a percussion instrument, not a stringed instrument.
• Option c: Sitar is a stringed instrument.
• Option d: Guitar is a stringed instrument.

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In the following question, select the odd word from the given alternatives.

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

In the following question, select the odd word from the given alternatives.

ASeptember

BJune

CApril

DMay

Akhilesh ? Apr 4 '25 at 22:13

correct answer is: option d (d)[May]
Explanation: The months September, June, and April have 30 days each.
May has 31 days. Therefore, May is the odd one out.

• Option a: September has 30 days, making it an even-numbered month in terms of days.
• Option b: June has 30 days, similar to September.
• Option c: April also has 30 days, fitting the pattern of even-numbered months.
• Option d: May has 31 days, breaking the pattern established by the other options.

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In the following question, select the odd number pair from the given alternatives.

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

In the following question, select the odd number pair from the given alternatives.

A10, 1000

B5, 125

C7, 289

D6, 216

Akhilesh ? Apr 5 '25 at 07:38

correct answer is: OPTION c
Explanation: The question asks to identify the odd number pair where the second number is not the cube of the first number.

• OPTION a: 10 and 1000
  - 10³ = 1000 (correct cube pair)
• OPTION b: 5 and 125
  - 5³ = 125 (correct cube pair)
• OPTION c: 7 and 289
  - 7³ = 343 (incorrect, as 289 ≠ 343)
• OPTION d: 6 and 216
  - 6³ = 216 (correct cube pair)

 

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In the following question, select the related word from the given alternatives. Drama : Stage :: Tennis : ?

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

In the following question, select the related word from the given alternatives. Drama : Stage :: Tennis : ?

ANet

BTheatre

CCourt

DMatch

Akhilesh ? Apr 4 '25 at 22:12

correct answer is: option c (Court)
Explanation: The relationship is based on the place where the activity occurs. Drama is performed on a Stage, and Tennis is played on a Court.

• Option A: Net is a part of a tennis court, but it doesn't represent the place where tennis is played.
• Option B: Theatre is a place where dramas are performed, but it is related to drama, not to tennis.
• Option C: Court is the correct place where tennis is played, which is analogous to stage for drama.
• Option D: Match is an event in Tennis but not the place.

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How many triangles are there in the given figure?

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

How many triangles are there in the given figure?

A5

B6

C7

D8

Akhilesh ? Apr 5 '25 at 19:42

correct answer is: 7
Explanation: The figure consists of a main triangle divided into six smaller triangles by medians, resulting in a total of seven triangles.

• OPTION a (5): Underestimates the number of triangles.
• OPTION b (6): Counts only the smaller triangles, missing the main one.
• OPTION c (7): Correctly includes all six smaller triangles plus the main one.
• OPTION d (8): Overestimates by assuming additional triangles not present.

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If a mirror is placed on the line AB, then which of the answer figure is the right mirror image of the given figure?

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RRB NTPC Exam 25 Jan, 2021 click here to view all questions

If a mirror is placed on the line AB, then which of the answer figure is the right mirror image of the given figure?

A

B

C

D

Akhilesh ? Apr 5 '25 at 22:18

Correct answer is:

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