INSPECTOR CUSTOMS, INTELLIGENCE OFFICER PAST PAPERS 2008 TO TILL DATE
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
آنکھ کے ریٹنا پر بننے والی تصویر _____ ہے؟
- Real and upright
- Real and inverted
- Virtual and upright
- None of these
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Explanation
The eye lens focuses light to form a real and inverted image on the retina.
The brain then processes this image and interprets it as upright.
ایک فوٹو الیکٹرک سیل ______ کو تبدیل کرتا ہے؟
- Light energy into heat energy
- Electrical energy into light energy
- Light energy into electrical energy
- None of these
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Explanation
A photoelectric cell works on the photoelectric effect, where light strikes a material and releases electrons.
These released electrons generate an electric current, converting light energy into electrical energy.
مندرجہ ذیل میں سے کون سا ایک قابل اعضاء نہیں ہے؟
- Adrenal gland
- Kidney
- Lungs
- None of these
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Explanation
Kidney – Excretory organ (removes nitrogenous wastes like urea).
Lungs – Excretory organ (remove CO₂ and water vapor).
Liver – Excretory organ (breaks down toxins, excretes bile pigments).
Adrenal gland – Not an excretory organ, it produces hormones like adrenaline and cortisol.
- 30
- 20
- 10
- None of these
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Explanation
Total people = 100
Pepsi drinkers = 50
Coke drinkers = 40
Both = 20
People drinking Pepsi or Coke = Pepsi + Coke - Both
= 50 + 40 - 20
= 70
People drinking neither = Total - People drinking Pepsi or Coke
= 100 - 70
= 30
- 46
- 40
- 64
- None of these
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Explanation
Amount saved = 24
Percentage saved = 37.5% = 0.375
Weekly salary = Amount saved / Percentage saved
= 24 / 0.375
= 64
- 10, 11
- 10, 10
- 15, 16
- None of these
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Explanation
Looking at the pattern:
20 → 20 (no change)
20 → 19 (decrease by 1)
19 → 16 (decrease by 3)
16 → 17 (increase by 1)
17 → 13 (decrease by 4)
13 → 14 (increase by 1)
14 → 11 (decrease by 3)
Now, we continue the alternating pattern:
11 → 12 (increase by 1)
12 → 9 (decrease by 3)
The next two numbers are 10, 10.
- 30%
- 80%
- 40%
- None of these
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Explanation
Total students = 200
Soccer players = 120
Cricket players = 100
Students playing both games = (Soccer + Cricket) - Total
= (120 + 100) - 200
= 20
Students playing cricket but not soccer = Cricket - Both
= 100 - 20
= 80
Percentage = (80 / 200) * 100
= 40%
- 5:14
- 14:5
- 28:3
- None of these
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Explanation
To find the compound ratio, multiply the corresponding parts:
(3 * 8 * 25) : (4 * 15 * 28)
= 600 : 1680
Simplifying the ratio:
= 600 / 1680 = 5/14
= 5 : 14
- 4:5
- 25:2
- 5:4
- None of these
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Explanation
First, convert both to the same unit (grams):
3.5 kg = 3500 grams
280 grams (already in grams)
Ratio = 3500 : 280
Simplifying the ratio:
3500 / 280 = 12.5
280 / 280 = 1
12.5 : 1 = 25 : 2 (after multiplying both parts by 2)
- 30%
- 25%
- 75%
- None of these
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Explanation
Number of applicants who appeared = 20
Total applicants = 80
Percentage = (20/80) * 100
= 0.25 * 100
= 25%
