RPF Constable PYQ Set 1

  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”.
  1. 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.
  1. 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.
  1. 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).
  1. 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.
  1. 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.
  1. 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.
  1. 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.
  1. 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.
  1. The product of two consecutive even integers is 528. The smaller integer is:
  • A. 20
  • B. 22
  • C. 24
  • D. 26
Show Answer Correct: Option B. Let numbers be x and x+2; x(x+2)=528 ⇒ x²+2x–528=0 ⇒ x=22.
  1. 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.
  1. If ₹4,000 amounts to ₹4,640 in 2 years at simple interest, the annual rate of interest is:
  • A. 6%
  • B. 7%
  • C. 8%
  • D. 9%
Show Answer Correct: Option C. SI = 640, R = (SI×100)/(P×T) = (640×100)/(4000×2)=8%.
  1. 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.
  1. The average of five numbers is 45. If one number is excluded, the average becomes 40. The excluded number is:
  • A. 55
  • B. 60
  • C. 65
  • D. 70
Show Answer Correct: Option C. Total of 5 = 225; total of 4 = 160 ⇒ excluded = 225–160 = 65.
  1. 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.
  1. Complete the series: 3, 10, 24, 45, ?
  • A. 63
  • B. 73
  • C. 75
  • D. 78
Show Answer Correct: Option B. Pattern of differences: 7,14,21,… ⇒ next diff 28 ⇒ 45+28=73.
  1. 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.
  1. 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.
  1. 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.
  1. 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.
  1. Which of the following vitamins is water-soluble?
  • A. A
  • B. D
  • C. E
  • D. C
Show Answer Correct: Option D. Vitamin C (ascorbic acid) dissolves in water; others listed are fat-soluble.
  1. 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.
  1. 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.
  1. 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.
  1. The chemical formula of common salt is:
  • A. NaHCO₃
  • B. NaCl
  • C. NaOH
  • D. Na₂CO₃
Show Answer Correct: Option B. Sodium chloride is NaCl.