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Learn AIR FORCE MCQs with answers [Page 8 of Department 88]

M

Mohini Yadav • 27.60K Points
Instructor II

71) Diffusion of light in the atmosphere takes place due to

(A) Carbon dioxide
(B) Dust particles
(C) Helium
(D) Water vapours
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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A

Akash Lawaniya • 9.48K Points
Tutor III

74) The article of Indian Constitution related to abolition of untouchability is

(A) Article 15
(B) Article 16
(C) Article 17
(D) Article 18
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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M

Madan • 7.44K Points
Tutor III

75) Complete the series:
4 - 8, 16 - 32, 64 - (...)

(A) 128
(B) -128
(C) 192
(D) -192
Correct Answer - Option (B)

Explanation :
Each number is the preceding number multiplied by - 2. So, the required number is - 128.

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M

Madan • 7.44K Points
Tutor III

76) Find the odd number:
125, 123, 120, 115, 108, 100, 84 ?

(A) 125
(B) 115
(C) 100
(D) 84
Correct Answer - Option (C)

Explanation :
Prime numbers 2, 3, 5, 7, 11, 13 have successively been subtracted. So, 100 is wrong. It must be (108 - 11) i.e., 97.

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M

Madan • 7.44K Points
Tutor III

77) Find the wrong number in the series 3, 8, 15, 24, 34, 48, 63

(A) 15
(B) 24
(C) 34
(D) 48
Correct Answer - Option (C)

Explanation :
The difference between consecutive terms are respectively. 5, 7, 9, 11 and 13. So, 34 is a wrong number.

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M

Madan • 7.44K Points
Tutor III

78) Complete the series:
2, 4, 12, 48, 240, (...)

(A) 960
(B) 1440
(C) 1080
(D) 1920
Correct Answer - Option (B)

Explanation :
Go on multiplying the given numbers by 2, 3, 4, 5, 6. So, the correct next number is 1440.

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M

Madan • 7.44K Points
Tutor III

79) Complete the series:
2, 6, 12, 20, 30, 42, 56, (...) ?

(A) 60
(B) 64
(C) 72
(D) 70
Correct Answer - Option (C)

Explanation :
The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8. So, the next number is 8 x 9 = 72.

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M

Madan • 7.44K Points
Tutor III

80) Find the odd number:
40960, 10240, 2560, 640, 200, 40, 10

(A) 640
(B) 40
(C) 200
(D) 2560
Correct Answer - Option (C)

Explanation :
Go on dividing by 4 to get the next number. So, 200 is wrong.

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