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Question 451

IB MTS 2025• Test

What should come in place of the question mark (?) in the given series?

52 64 79 97 118 ?

  1. AOption (a)

    142

  2. BOption (b)

    145

  3. COption (c)

    150

  4. DOption (d)

    12

View answer & explanation

Correct answer

Answer: (a)A.

142

Why this answer is correct

The Logic follows here,

The differences are increasing by 3 on every step.12, 15, 18, 21,24.

  • 64 - 52 = 12
  • 79 - 64 = 15
  • 97 - 79 = 18
  • 118 - 97 = 21
  • So, the next difference will be:
  • 21 + 3 = 24
  • 118 + 24 = 142
  • 52 64 79 97 118 142

Hence, the correct answer is "Option 1"

Question 452

IB MTS 2025• Test

Six people, A, B, C, S, T and U, are sitting in a row facing north. Only two people sit to the right of A. Only two people sit between C and A. Only two people sit between S and B. S sits to the immediate right of C. U sits to the immediate right of B. How many people sit between T and U?

  1. AOption (a)

    Three

  2. BOption (b)

    Four

  3. COption (c)

    Two

  4. DOption (d)

    One

View answer & explanation

Correct answer

Answer: (c)C.

Two

Why this answer is correct

Six people, A, B, C, S, T and U, are sitting in a row facing north.

  • Only two people sit to the right of A.
  • Only two people sit between C and A.
  • Only two people sit between S and B.
  • S sits to the immediate right of C.
  • U sits to the immediate right of B

The Final Arrangement is, 

Hence, the correct answer is "Option 3"

Question 453

IB MTS 2025• Test

If + means −, − means ×, × means ÷ and ÷ means +, then what will come in place of the question mark (?) in the following equation?

64 + 18 × 6 ÷ 5 − 3 = ?

  1. AOption (a)

    80

  2. BOption (b)

    76

  3. COption (c)

    85

  4. DOption (d)

    70

View answer & explanation

Correct answer

Answer: (b)B.

76

Why this answer is correct

Given 64 + 18 × 6 ÷ 5 − 3 = ? 

  • means −, − means ×, × means ÷ and ÷ means +

64 - 18 ÷ 6 + 5 × 3 = ? 

64 + 15 - 3 = ?

64 + 15 - 3 = ?

79 - 3 = ?

Hence, the correct answer is "Option 2"

Question 454

IB MTS 2025• Test

Refer to the following letter and symbol series and answer the question that follows. Counting to be done from left to right only.

(Left) E A # / @ Q # M D N C $ O G ^ # # Y F Q W (Right)

How many such letters are there, each of which is immediately preceded by a symbol and also immediately followed by a symbol$?

  1. AOption (a)

    Two

  2. BOption (b)

    Three

  3. COption (c)

    One

  4. DOption (d)

    Four

View answer & explanation

Correct answer

Answer: (c)C.

One

Why this answer is correct

Given: (Left) E A # / @ Q # M D N C $ O G ^ # # Y F Q W (Right)

Required Conditions : Symbol -  Letters -  Symbol

(Left)  E A # / @ Q # M D N C $ O G ^ # # Y F Q W  (Right)

Hence, the correct answer is "Option 3"

Question 455

IB MTS 2025• Test

Each of the digits in the number 6482357 is arranged in descending order from left to right. What will be the sum of the digits which are fifth from the left and fourth from the right in the new number thus formed? 

  1. AOption (a)

    12

  2. BOption (b)

    10

  3. COption (c)

    9

  4. DOption (d)

    11

View answer & explanation

Correct answer

Answer: (c)C.

9

Why this answer is correct

Given Number: 6482357

Arrange in descending order: 8765432

Fifth from left = 4, fourth from right = 5

Sum = 4 + 5 = 9

Hence, the correct answer is "Option 3"

Question 456

IB MTS 2025• Test

What should come in place of the question mark (?) in the given series?

187 175 160 141 117 ?

  1. AOption (a)

    87

  2. BOption (b)

    85

  3. COption (c)

    89

  4. DOption (d)

    92

View answer & explanation

Correct answer

Answer: (a)A.

87

Why this answer is correct

The logic follows here, 

Hence, the correct answer is "Option 1"

Question 457

IB MTS 2025• Test

In a certain code language,

A + B means ‘A is the mother of B’,

A – B means ‘A is the brother of B’,

A × B means ‘A is the wife of B’,

A % B means ‘A is the father of B’ and

A # B means ‘A is the daughter of B’.

How is K related to Y if ‘Y % E × L % P – K × G’?

  1. AOption (a)

    Brother’s daughter

  2. BOption (b)

    Wife’s mother 

  3. COption (c)

    Daughter’s daughter 

  4. DOption (d)

    Son’s daughter 

View answer & explanation

Correct answer

Answer: (c)C.

Daughter’s daughter 

Why this answer is correct

Preparing the family tree diagram by using the following symbols:

 

Hence, the correct answer is "Option 3"

Question 458

IB MTS 2025• Test

A, B, C, D, E, F and G are sitting around a circular table facing the centre. C sits third to the left of A. G sits second to the left of D. Only A sits between E and G. B is not an immediate neighbour of C. How many people sit between A and C when counted from the left of C?

  1. AOption (a)

    3

  2. BOption (b)

    2

  3. COption (c)

    1

  4. DOption (d)

    4

View answer & explanation

Correct answer

Answer: (a)A.

3

Why this answer is correct

Given :  A, B, C, D, E, F and G are sitting around a circular table facing the centre.

  • C sits third to the left of A.
  • G sits second to the left of D.
  • Only A sits between E and G.
  • B is not an immediate neighbour of C

 

 

Hence, the correct answer is "Option 1"

Question 459

IB MTS 2025• Test

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. 

Statements:

Some cranes are sticks.

All sticks are balls. 

 

Conclusions:

(I) Some cranes are balls.

(II) All balls are sticks.

  1. AOption (a)

    Both conclusions (I) and (II) follow. 

  2. BOption (b)

    Neither conclusion (I) nor (II) follows. 

  3. COption (c)

    Only conclusion (II) follows. 

  4. DOption (d)

    Only conclusion (I) follows. 

View answer & explanation

Correct answer

Answer: (d)D.

Only conclusion (I) follows. 

Why this answer is correct

The least possible Venn diagram is as follows:

Conclusions:

(I) Some cranes are balls.- True (Some cranes are sticks.All sticks are balls. Some cranes are balls is True)

(II) All balls are sticks. - False (All sticks are balls.All balls are sticks is may be possible but not definite Hence, it is false.)

Only conclusion (I) follows. 

Hence, the correct answer is "Option 4"

Question 460

IB MTS 2025• Test

In a certain code language, ‘LOVE’ is coded as ‘2795’ and ‘VOTE’ is coded as ‘7258’. What is the code for ‘T’ in the given code language? 

  1. AOption (a)

    8

  2. BOption (b)

    7

  3. COption (c)

    2

  4. DOption (d)

    5

View answer & explanation

Correct answer

Answer: (a)A.

8

Why this answer is correct

Given : ‘LOVE’ is coded as ‘2795’ and ‘VOTE’ is coded as ‘7258’

The logic follows here, 

 

Hence, the correct answer is "Option 1"

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