RPF Constable Previous Year Questions Set 1
- Which of the following Indian cities is famously known as the ‘City of Lakes’?
- A. Jaipur
- B. Udaipur
- C. Jodhpur
- D. Bikaner
Show Answer
Correct: Option B. Udaipur is dotted with numerous lakes such as Pichola, Fateh Sagar and Udai Sagar, earning it the sobriquet “City of Lakes”.
- The Indian Railways celebrated its 175th anniversary on 16 April 2023. The first train in India had run between:
- A. Howrah and Hooghly
- B. Mumbai and Thane
- C. Chennai and Rameswaram
- D. Bombay and Tanna (Thane)
Show Answer
Correct: Option D. On 16 April 1853, the maiden passenger train in India ran from Bori Bunder (Bombay) to Thane covering 34 km.
- Which article of the Indian Constitution provides for the Right to Constitutional Remedies?
- A. Article 21
- B. Article 32
- C. Article 44
- D. Article 51
Show Answer
Correct: Option B. Article 32 empowers citizens to move the Supreme Court directly for enforcement of Fundamental Rights and is itself a Fundamental Right.
- The 2028 Summer Olympics will be hosted by:
- A. Brisbane
- B. Paris
- C. Los Angeles
- D. Tokyo
Show Answer
Correct: Option C. Los Angeles (USA) was awarded the 2028 Summer Games during the IOC session in Lima (2017).
- Who is the author of the book “The Making of a Legend”?
- A. A.P.J. Abdul Kalam
- B. Narendra Modi
- C. R.K. Prabhakar
- D. Arun Shourie
Show Answer
Correct: Option C. Written by R.K. Prabhakar, it chronicles the life of Prime Minister Narendra Modi.
- Which of the following is India’s first indigenously developed COVID-19 vaccine?
- A. Covovax
- B. Covishield
- C. Covaxin
- D. Sputnik V
Show Answer
Correct: Option C. Covaxin (BBV152) was developed by Bharat Biotech-ICMR and is India’s first wholly indigenous COVID-19 vaccine.
- The boundary line demarcating India and China is called:
- A. Durand Line
- B. McMahon Line
- C. Radcliffe Line
- D. 38th Parallel
Show Answer
Correct: Option B. The McMahon Line was drawn in 1914 and presently serves as the de-facto boundary between India and China in the eastern sector.
- The world’s largest solar park (as of 2023) is located in which Indian state?
- A. Gujarat
- B. Karnataka
- C. Rajasthan
- D. Andhra Pradesh
Show Answer
Correct: Option C. Bhadla Solar Park (Rajasthan) has an installed capacity of 2,245 MW, making it the planet’s largest single-location solar park.
- A train 200 m long passes a pole in 20 seconds. The speed of the train is:
- A. 30 km/h
- B. 36 km/h
- C. 40 km/h
- D. 45 km/h
Show Answer
Correct: Option B. Speed = distance/time = 200 m /20 s = 10 m/s = 10×(18/5) = 36 km/h.
- The product of two consecutive even integers is 528. The smaller integer is:
Show Answer
Correct: Option B. Let numbers be x and x+2; x(x+2)=528 ⇒ x²+2x–528=0 ⇒ x=22.
- A shopkeeper gives a discount of 20% and still gains 25%. If the marked price is ₹500, the cost price is:
- A. ₹300
- B. ₹320
- C. ₹350
- D. ₹400
Show Answer
Correct: Option B. S.P. = 0.8×500 = ₹400. Gain 25% ⇒ C.P. = 400/1.25 = ₹320.
- If ₹4,000 amounts to ₹4,640 in 2 years at simple interest, the annual rate of interest is:
Show Answer
Correct: Option C. SI = 640, R = (SI×100)/(P×T) = (640×100)/(4000×2)=8%.
- A man rows 12 km upstream and 20 km downstream in 4 hours. If the speed of the boat in still water is 8 km/h, the speed of the current is:
- A. 2 km/h
- B. 3 km/h
- C. 4 km/h
- D. 5 km/h
Show Answer
Correct: Option A. Let current = x; 12/(8–x) + 20/(8+x)=4. Solving gives x=2 km/h.
- The average of five numbers is 45. If one number is excluded, the average becomes 40. The excluded number is:
Show Answer
Correct: Option C. Total of 5 = 225; total of 4 = 160 ⇒ excluded = 225–160 = 65.
- The ratio of ages of A and B is 4 : 5. After 8 years the ratio will be 6 : 7. The present age of A is:
- A. 12 years
- B. 16 years
- C. 20 years
- D. 24 years
Show Answer
Correct: Option B. Let ages be 4x, 5x; (4x+8)/(5x+8)=6/7 ⇒ x=4 ⇒ A=16 years.
- Complete the series: 3, 10, 24, 45, ?
Show Answer
Correct: Option B. Pattern of differences: 7,14,21,… ⇒ next diff 28 ⇒ 45+28=73.
- If ‘MOTHER’ is coded as ‘ORWKHU’, then ‘FATHER’ is coded as:
- A. IDWKHU
- B. IEVKHU
- C. IDWHUV
- D. IEVJUW
Show Answer
Correct: Option A. Each letter +3 (Caesar shift) ⇒ F→I, A→D, T→W, H→K, E→H, R→U → IDWKHU.
- Select the odd one out:
- A. Iron
- B. Copper
- C. Brass
- D. Silver
Show Answer
Correct: Option C. Brass is an alloy; others are pure metals.
- A clock shows 4 : 30. If the minute hand points East, in which direction does the hour hand point?
- A. South-East
- B. North-East
- C. South-West
- D. North-West
Show Answer
Correct: Option A. Minute hand (East) ⇒ 12→East ⇒ 4:30 ⇒ hour hand halfway between 4 & 5, i.e., South-East.
- Statement: All books are pens. Some pens are pencils.
Conclusions:
I. Some books are pencils.
II. Some pencils are pens.
- A. Only I follows
- B. Only II follows
- C. Both I and II follow
- D. Neither I nor II follows
Show Answer
Correct: Option B. II is direct restatement; I is not necessarily true.
- Which of the following vitamins is water-soluble?
Show Answer
Correct: Option D. Vitamin C (ascorbic acid) dissolves in water; others listed are fat-soluble.
- The SI unit of electric current is:
- A. Volt
- B. Ohm
- C. Ampere
- D. Coulomb
Show Answer
Correct: Option C. Ampere is the base SI unit of current.
- The process of conversion of sugar into alcohol by yeast is called:
- A. Fermentation
- B. Pasteurisation
- C. Distillation
- D. Oxidation
Show Answer
Correct: Option A. Yeast anaerobically ferments sugar to ethanol and CO₂.
- Which organ in the human body produces insulin?
- A. Liver
- B. Pancreas
- C. Spleen
- D. Thyroid
Show Answer
Correct: Option B. β-cells of the pancreas secrete insulin.
- The chemical formula of common salt is:
- A. NaHCO₃
- B. NaCl
- C. NaOH
- D. Na₂CO₃
Show Answer
Correct: Option B. Sodium chloride is NaCl.