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SSC CPO Paper I 2024 · Shift 1

SSC CPO Paper I 29 Jun 2024 Shift 1 – Question Paper

200 questions · 200 marks · 120 minutes · +1 for a correct answer, −0.25 for a wrong one. With answer key and detailed solutions in Hindi and English.

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Paper pattern

SectionQuestionsMarks
General Intelligence and Reasoning5050
General Knowledge and General Awareness5050
Quantitative Aptitude5050
English Comprehension5050

Sample questions from this paper

Q1.
If + means − , − means × , × means ÷ , ÷ means +, what will come in place of the
question mark (?) in the given equation?
1200 × 3 – 1 ÷ 100 + 499 = ?
यदि + का अर्थ − है, − का अर्थ × है, × का अर्थ ÷ है, ÷ का अर्थ + है, तो दिए गए समीकरण में प्रश्न चिह्न (?) के स्थान पर क्या आएगा?
1200 × 3 – 1 ÷ 100 + 499 = ?
  1. A5
  2. B3
  3. C2
  4. D1
Show answer

Concept: Replace each sign by its meaning and then apply BODMAS.

  1. Swap signs: + → −, − → ×, × → ÷, ÷ → +.
  2. 1200×3−1÷100+499 becomes 1200÷3×1+100−499.
  3. =400×1+100−499=500−499=1.

Trick: Rewrite the whole expression first, then solve – never solve while swapping.

Answer: (D) 1

अवधारणा: हर चिह्न को उसके अर्थ से बदलें, फिर BODMAS लगाएँ।

  1. चिह्न बदलें: + → −, − → ×, × → ÷, ÷ → +।
  2. 1200×3−1÷100+499 बनता है 1200÷3×1+100−499।
  3. =400+100−499=1।

ट्रिक: पहले पूरा व्यंजक नए चिह्नों से लिखें, फिर हल करें।

उत्तर: (D) 1

SSC CPO Paper IGeneral Intelligence and ReasoningMathematical Operations
Q51.
Identify the reason for formation of dental plaque.
दंत पट्टिका (dental plaque) बनने के कारण की पहचान कीजिए।
  1. AWhen acids stick to the teethजब अम्ल दाँतों पर चिपक जाते हैं
  2. BMasses of bacterial cells together with food particles stick to the teethजीवाणु कोशिकाओं के समूह, भोजन के कणों के साथ दाँतों पर चिपक जाते हैं
  3. CSaliva sticks to the pulpलार, मज्जा (pulp) पर चिपक जाती है
  4. DWhen bacteria acting on sugars produce acidsजब शर्कराओं पर क्रिया करने वाले जीवाणु अम्ल उत्पन्न करते हैं
Show answer

Concept: Plaque is a sticky layer that forms on the teeth when bacteria and food remains collect on them.

  1. Bacteria in the mouth, together with tiny food particles, stick to the teeth and form a layer called plaque.
  2. These bacteria then break down sugars and make acids, which slowly damage the enamel and cause tooth decay.
  3. So option (D) describes what plaque does (acid formation), not how plaque forms.

Yaad rakhein: Plaque = bacteria + food particles stuck on teeth; acid comes later and causes decay.

Answer: (B) Masses of bacterial cells together with food particles stick to the teeth

अवधारणा: प्लाक दाँतों पर बनने वाली चिपचिपी परत है, जो बैक्टीरिया और भोजन के कणों के जमा होने से बनती है।

  1. मुँह के बैक्टीरिया भोजन के छोटे कणों के साथ दाँतों पर चिपककर एक परत बनाते हैं, जिसे प्लाक (plaque) कहते हैं।
  2. बाद में ये बैक्टीरिया शर्करा (sugar) को तोड़कर अम्ल (acid) बनाते हैं, जो इनेमल को नुकसान पहुँचाकर दंत क्षय करता है।
  3. विकल्प (D) प्लाक का प्रभाव बताता है, प्लाक बनने का कारण नहीं।

याद रखें: प्लाक = बैक्टीरिया + भोजन कण दाँतों पर चिपके; अम्ल बाद में बनता है।

उत्तर: (B) Masses of bacterial cells together with food particles stick to the teeth

SSC CPO Paper IGeneral Knowledge and General AwarenessDental plaque
Q101.
Simplify the following.
72 ÷ 8 × 4 +40 - 35 ÷ 5 + 15
निम्नलिखित को सरल कीजिए।
72 ÷ 8 × 4 +40 - 35 ÷ 5 + 15
  1. A24
  2. B84
  3. C9
  4. D48
Show answer

Concept: Apply BODMAS: division and multiplication left to right first, then addition and subtraction.

  1. 72÷8×4=9×4=36
  2. 35÷5=7
  3. 36+40−7+15=84

Trick: Do all ÷ / × blocks first, then add/subtract in one sweep.

Answer: (B) 84

अवधारणा: BODMAS: पहले भाग और गुणा (बाएँ से दाएँ), फिर जोड़-घटाव।

  1. 72÷8×4=9×4=36
  2. 35÷5=7
  3. 36+40−7+15=84

ट्रिक: पहले सभी ÷ / × हल करें, फिर जोड़-घटाव एक साथ।

उत्तर: (B) 84

SSC CPO Paper IQuantitative AptitudeSimplification (BODMAS)
Q151.
The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any
error, mark ‘No error’ as your answer.
When Ramu was working / as a clerk, / he asked me money.
  1. AWhen Ramu was working
  2. Bas a clerk
  3. CNo error
  4. Dhe asked me money
Show answer

Concept: The verb ask takes the preposition for when we request something: ask somebody for something.

  1. 'When Ramu was working' – past continuous, correct.
  2. 'as a clerk' – correct use of 'as' for a role.
  3. 'he asked me money' – the object 'money' needs 'for': he asked me for money.

Yaad rakhein: ask for (request) money/help/permission; ask a question (no 'for').

Answer: (D) he asked me money

अवधारणा: क्रिया ask से कुछ माँगने के अर्थ में preposition for आता है: ask somebody for something.

  1. 'When Ramu was working' – past continuous, सही है।
  2. 'as a clerk' – पद/भूमिका के लिए 'as' सही है।
  3. 'he asked me money' में 'for' छूटा है; सही: he asked me for money.

याद रखें: माँगना = ask for (money/help); प्रश्न पूछना = ask a question (बिना 'for').

उत्तर: (D) he asked me money

SSC CPO Paper IEnglish ComprehensionSpotting the Error

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