DP Constable Time-Speed-Work Bilingual Test 7

Time, Speed & Work / समय, चाल और कार्य practice in Hindi-English with original DP Constable style questions, timer, negative marking and explanation review.

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DP Constable Chapter Test

DP Constable Time-Speed-Work Bilingual Test 7

Time-work, pipes, speed-distance, trains, boats and man-day questions. Test 7 has original Hindi-English DP Constable style questions with explanations. Use it as a short Delhi Police CBT drill: solve, submit, review every explanation, then move to the next chapter set.

Questions

Duration

8 min

Marking

+1 / -0.25 (Max 5)

Sections

Time, Speed & Work / समय, चाल और कार्य | 5 questions

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1Not Visited1Not Answered1Answered1Marked for Review1Answered + Marked

Preview all 5 questions in DP Constable Time-Speed-Work Bilingual Test 7 (no login required)

Numerical Ability / संख्यात्मक योग्यता — Time and Work / समय-कार्य
1. A finishes in 9 days and B in 13 days. Together time? / A 9 दिन और B 13 दिन में कार्य करते हैं। साथ में समय?
- A. 4.32 days
- B. 5.32 days (Correct)
- C. 6.32 days
- D. 7.32 days
Explanation: Together time = ab/(a+b). / संयुक्त समय ab/(a+b) से मिलता है।
Numerical Ability / संख्यात्मक योग्यता — Efficiency / दक्षता
2. A:B efficiency is 4:3; together they finish in 6 days. A alone? / दक्षता 4:3, साथ में 6 दिन। A अकेला?
- A. 8.5 days
- B. 10.5 days (Correct)
- C. 12.5 days
- D. 14.5 days
Explanation: Total work is 42; A time = work/4. / दक्षता से कुल कार्य निकालें।
Numerical Ability / संख्यात्मक योग्यता — Pipes / पाइप
3. A fills a tank in 12 hours and B empties it in 24 hours. Net filling time? / A 12 घंटे में भरता और B 24 घंटे में खाली करता है। समय?
- A. 22 hours
- B. 24 hours (Correct)
- C. 26 hours
- D. 28 hours
Explanation: Net rate = 1/12 - 1/24 = 1/24. / शुद्ध दर से समय 24 घंटे है।
Numerical Ability / संख्यात्मक योग्यता — Speed-Distance / चाल-दूरी
4. A vehicle runs at 108 km/h for 6 hours. Distance? / वाहन 108 किमी/घंटा से 6 घंटे चलता है। दूरी?
- A. 540 km
- B. 648 km (Correct)
- C. 756 km
- D. 864 km
Explanation: Distance = speed x time = 648 km. / दूरी = चाल x समय।
Numerical Ability / संख्यात्मक योग्यता — Trains / रेल
5. A 295 m train crosses a pole in 11 s. Speed in km/h? / 295 मी ट्रेन खंभे को 11 सेकंड में पार करती है। चाल?
- A. 91.55 km/h
- B. 96.55 km/h (Correct)
- C. 101.55 km/h
- D. 106.55 km/h
Explanation: Speed = distance/time, then multiply by 18/5. / मी/से को किमी/घंटा में बदलें।