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1) A doppler effect occurs when a source of sound moves
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
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Learn SSC MCQs with answers [Page 1 of Department 226]
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2) Ultrasound devices operate with minimum frequency from
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
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3) Which compressor is usually used in AC?
Correct Answer - Option
(C)
Explanation :
The reciprocating compressor is the most popular type of AC compressor.
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4) Atomic hydrogen has a life period of
Correct Answer - Option
(D)
No Explanation found. Add Explanation and get +2 points.
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5) Find out the wrong term: 325, 259, 202, 160, 127, 105, 94
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
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6) Find out the wrong term: 3, 4, 10, 32, 136, 685, 4116
Correct Answer - Option
(B)
Explanation :
The correct pattern is × 1 + 1, × 2 + 2, × 3 + 3, × 4 + 4, ..........
So, 32 is wrong and must be replaced by (10 × 3 + 3) i.e., 33.
So, 32 is wrong and must be replaced by (10 × 3 + 3) i.e., 33.
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7) Find out the wrong term: 380, 188, 92, 48, 20, 8, 2
Correct Answer - Option
(C)
Explanation :
The correct pattern is - 192, - 96, - 48, - 24, - 12, - 6.
So, 48 is wrong and must be replaced by (92 - 48) i.e., 44.
So, 48 is wrong and must be replaced by (92 - 48) i.e., 44.
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8) Find out the wrong term: 2, 6, 24, 96, 285, 568, 567
Correct Answer - Option
(B)
Explanation :
The correct pattern is ×6 -6, ×5 -5, ×4 -4, ×3 -3, . . . . .
So, 24 is wrong and must be replaced by (6 × 5 - 5) i.e., 25
So, 24 is wrong and must be replaced by (6 × 5 - 5) i.e., 25
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9) Find out the wrong term: 89, 78, 86, 80, 85, 82, 83
Correct Answer - Option
(C)
Explanation :
The correct pattern is - 11, + 9, - 7, + 5, - 3 + 1.
So, 86 is wrong and must be replaced by (78 + 9) i.e., 87.
So, 86 is wrong and must be replaced by (78 + 9) i.e., 87.
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10) Find out the wrong term: 445, 221, 109, 46, 25, 11, 4
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
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