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Question 71

RBI Assistant 2023• Reasoning Ability

Direction: In the question below are given three statements followed by two conclusions I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts, Read all the given conclusions and then decide which of the following conclusions logically follows from the given statements disregarding commonly known facts.

Statements:

All inner are Jacket.

Some inner are coat.

Some jacket are not sweater .

Conclusions:

I. Some jacket can be sweater.

II. At least some coat are jacket.

  1. AOption (a)

    Only conclusion I follows

  2. BOption (b)

    Only conclusion II follows

  3. COption (c)

    Either conclusion I or II follows

  4. DOption (d)

    Neither conclusion I nor II follows

  5. EOption (e)

    Both conclusion I and II follows

View answer & explanation

Correct answer

Answer: (e)E.

Both conclusion I and II follows

Why this answer is correct

The least possible Venn diagram is:

Conclusions:

I. Some jacket can be sweater → TRUE (In the statement it is given that only some jacket are not sweater, but other part of jacket can be sweater).

II. At least some coat are jacket → TRUE (As some inner are coat and all part of inner is jacket, so some coat are jacket follows).

"Both conclusion I and II follows."

Question 72

RBI Assistant 2023• Reasoning Ability

Direction: In the question below are given three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:

No sun is star.

No star is earth.

Some sky are earth.

Conclusions:

I). Some earth are definitely not sun.

II). At least some sky are not star.

  1. AOption (a)

    Only conclusion I follows

  2. BOption (b)

    Only conclusion II follows

  3. COption (c)

    Either conclusion I or II follows

  4. DOption (d)

    Neither conclusion I nor II follows

  5. EOption (e)

    Both Conclusion I and II follows

View answer & explanation

Correct answer

Answer: (b)B.

Only conclusion II follows

Why this answer is correct

The least possible Venn diagram is:

Conclusions:

I). Some earth are definitely not sun → FALSE (There is no direct relation given between earth and sun)

II). At least some sky are not star → TRUE (No star is earth and some part of earth is sky that is not star, thus the conclusion some sky are not star is correct)

"Only conclusion II follows".

Question 73

RBI Assistant 2023• Reasoning Ability

Direction: In the question below are given three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:

All monitor are screen.

No monitor is scanner.

No mouse is monitor.

Conclusions:

I) All screen can be mouse.

II) All mouse being scanner is a possibility.

  1. AOption (a)

    Only conclusion I follows

  2. BOption (b)

    Only conclusion II follows

  3. COption (c)

    Either conclusion I or II follows

  4. DOption (d)

    Neither conclusion I nor II follows

  5. EOption (e)

    Both conclusion I and II follows

View answer & explanation

Correct answer

Answer: (b)B.

Only conclusion II follows

Why this answer is correct

The least possible Venn diagram is:

Conclusions:

I) All screen can be mouse → False (No Monitor is Mouse and "All monitor are screen" so all screen can be mouse is not a possibility.)

II) All mouse being scanner is a possibility → True (There is no direct relation between mouse and scanner, thus the possibility is true here).

"Only conclusion II follows".

Question 74

RBI Assistant 2023• Reasoning Ability

Direction: Answer the questions based on the information given below:

472 209 593 196 765

The sum of first and fourth number is how much greater than twice the second number?

  1. AOption (a)

    50

  2. BOption (b)

    150

  3. COption (c)

    250

  4. DOption (d)

    350

  5. EOption (e)

    None of these

View answer & explanation

Correct answer

Answer: (c)C.

250

Why this answer is correct

Given numbers: 472 209 593 196 765

Sum of first and fourth number = (472 + 196) = 668

Twice of second number = 2 × 209 = 418

Difference = 668 – 418 = 250

 ‘250’ is the correct answer.

Question 75

RBI Assistant 2023• Reasoning Ability

Direction: Answer the questions based on the information given below:

472 209 593 196 765

Which of the following number leaves a remainder 5 when divided by the square root of the only perfect square given in the arrangement?

  1. AOption (a)

    472

  2. BOption (b)

    209

  3. COption (c)

    593

  4. DOption (d)

    765

  5. EOption (e)

    None of these

View answer & explanation

Correct answer

Answer: (c)C.

593

Why this answer is correct

Given numbers: 472 209 593 196 765

196 is the only perfect square and 14 is the square root of 196.

  1. 472 → 472 ÷ 14, Remainder = 10
  2. 209 → 209 ÷ 14, Remainder = 13
  3. 593 → 593 ÷ 14, Remainder = 5
  4. 765 → 765 ÷ 14, Remainder = 9

 ‘593’ is the correct answer.

Question 76

RBI Assistant 2023• Reasoning Ability

Direction: Answer the questions based on the information given below:

472 209 593 196 765

How many numbers are there in between the square of the third digit of the third number and the square of the first digit of the first number?

  1. AOption (a)

    Three

  2. BOption (b)

    Four

  3. COption (c)

    Five

  4. DOption (d)

    Six

  5. EOption (e)

    More than Six

View answer & explanation

Correct answer

Answer: (d)D.

Six

Why this answer is correct

Given numbers: 472 209 593 196 765

The square of the third digit of the third number = 32 = 9

The square of the first digit of the first number = 42 = 16

Numbers between 9 and 16 is 10, 11, 12, 13, 14 and 15.

 ‘six’ is the correct answer.

Question 77

RBI Assistant 2023• Reasoning Ability

Direction: Answer the questions based on the information given below:

472 209 593 196 765

If the second and third digit of each number is interchanged then how many new numbers will be perfect squares?None

  1. AOption (a)

    None

  2. BOption (b)

    One

  3. COption (c)

    Two

  4. DOption (d)

    Three

  5. EOption (e)

    Four

View answer & explanation

Correct answer

Answer: (b)B.

One

Why this answer is correct

Given numbers: 472 209 593 196 765

On interchanging second and third digit of each number: 427 290 539 169 756

So, only 169 is a perfect square.

 ‘one’ is the correct answer.

Question 78

RBI Assistant 2023• Reasoning Ability

Direction: Answer the questions based on the information given below:

472 209 593 196 765

If 1 is added to each number then how many new numbers will be prime numbers?

  1. AOption (a)

    None

  2. BOption (b)

    One

  3. COption (c)

    Two

  4. DOption (d)

    Three

  5. EOption (e)

    Four

View answer & explanation

Correct answer

Answer: (b)B.

One

Why this answer is correct

Given numbers: 472 209 593 196 765

On adding 1 to each number: 473 210 594 197 766

 ‘one’ new numbers (197) will be prime numbers.

Question 79

RBI Assistant 2023• Reasoning Ability

How many such pairs of letters are there in the word 'DICTIONARY', each of which has as many letters between them in the word (both forward and backward direction) as they have between them in the English Alphabet?

  1. AOption (a)

    One

  2. BOption (b)

    Two

  3. COption (c)

    Three

  4. DOption (d)

    Four

  5. EOption (e)

    None

View answer & explanation

Correct answer

Answer: (c)C.

Three

Why this answer is correct

Three pairs are there in the word 'DICTIONARY', each of which has as many letters between them in the word (both forward and backward direction) as they have between them in the English Alphabet.

Mistake Points In this type of question we have to count from A to Z, reverse counting Z to A is not considered. Therefore Y- A is not the correct pair

Question 80

RBI Assistant 2023• Reasoning Ability

Direction: Study the following information carefully and answer the questions given below:

Eight persons A, B, C, D, E, F, G, and H are sitting around a square table in such a way that four of them sit at four corners facing toward the center, and the other four sit at the middle of the sides facing outside.

G does not sit at the corner. D sits second to the left of A who sits third left of G. C sits third to the left of B who is not a neighbour of G. Only two persons sit between F and H who sits opposite to E.

Find the odd one out:

  1. AOption (a)

    A

  2. BOption (b)

    C

  3. COption (c)

    E

  4. DOption (d)

    D

  5. EOption (e)

    F

View answer & explanation

Correct answer

Answer: (c)C.

E

Why this answer is correct

Given:

Eight persons - A, B, C, D, E, F, G, and H

Four of them sit at four corners facing toward the center.

Four sit at the middle of the sides facing outside.

Now,

1) G does not sit at the corner. 

2) D sits second to the left of A who sits third left of G.

3) C sits third to the left of B who is not a neighbour of G.

The possibilities are -

  1. Only two persons sit between F and H who sits opposite to E. This is not possible in Case II and Case III.

Thus, the final arrangement is -

Except E, all are sitting at the corners.

The correct answer is E.

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