RPF Constable Previous Year Questions Set 7
General Awareness
- The 2023 G-20 Summit under India’s presidency was held in which city?
- A. Mumbai
- B. New Delhi
- C. Bengaluru
- D. Kolkata
Show Answer
Correct: Option B. The 18th G-20 Leaders’ Summit was hosted at Bharat Mandapam, Pragati Maidan, New Delhi on 9-10 September 2023.
- Who is the author of the book “Ignited Minds”?
- A. Dr. A.P.J. Abdul Kalam
- B. Chetan Bhagat
- C. Amish Tripathi
- D. Shashi Tharoor
Show Answer
Correct: Option A. “Ignited Minds: Unleashing the Power Within India” was written by former President Dr. Kalam in 2002.
- The world’s longest river cruise “Ganga Vilas” was flagged off from which city?
- A. Varanasi
- B. Patna
- C. Kolkata
- D. Prayagraj
Show Answer
Correct: Option A. PM Modi virtually flagged off MV Ganga Vilas from Varanasi to Dibrugarh on 13 Jan 2023.
- Which Indian state has the largest share of the total geographical area under forests according to ISFR 2021?
- A. Madhya Pradesh
- B. Arunachal Pradesh
- C. Chhattisgarh
- D. Maharashtra
Show Answer
Correct: Option A. MP leads with 77,493 km² forest cover, followed by Arunachal & Chhattisgarh.
- “Operation Sindoor” conducted by the Indian Air Force in 2024 targeted which country?
- A. Myanmar
- B. Pakistan
- C. Sri Lanka
- D. Bangladesh
Show Answer
Correct: Option B. Retaliatory strikes on terrorist camps inside Pakistan after the Pahalgam terror attack.
- The 48th World Heritage Site of India is:
- A. Santiniketan
- B. Dholavira
- C. Kakatiya Rudreshwara Temple
- D. Hampi
Show Answer
Correct: Option A. Santiniketan (West Bengal) inscribed in 2023.
- Which ministry launched the “Vibrant Villages Programme”?
- A. Defence
- B. Home Affairs
- C. Rural Development
- D. Finance
Show Answer
Correct: Option A. Ministry of Defence (2023) for border village development.
- The “Har Ghar Tiranga” campaign is observed during which week every year?
- A. 26-31 January
- B. 9-15 August
- C. 2-8 October
- D. 14-20 November
Show Answer
Correct: Option B. 9-15 Aug to celebrate 76th & 77th years of Independence.
Mathematics
- A train 180 m long crosses a pole in 9 seconds. What is the speed of the train in km/h?
Show Answer
Correct: Option B. Speed = 180/9 = 20 m/s → 20 × 18/5 = 72 km/h.
- If x² – 5x + 6 = 0, then the sum of squares of the roots is:
Show Answer
Correct: Option B. Roots 2 & 3; sum of squares = 4 + 9 = 13.
- A shopkeeper marks goods 40 % above cost price and gives 20 % discount. His gain % is:
- A. 12 %
- B. 15 %
- C. 20 %
- D. 25 %
Show Answer
Correct: Option A. 1.4 × 0.8 = 1.12 → 12 % gain.
- The average of 11 numbers is 50. If the average of first 6 is 48 and last 6 is 52, the 6th number is:
Show Answer
Correct: Option A. Total = 550; first 6 = 288, last 6 = 312 → 288+312 – 550 = 50.
- Simple interest on ₹6,000 for 3 years is ₹1,080. The rate % p.a. is:
- A. 5 %
- B. 6 %
- C. 7 %
- D. 8 %
Show Answer
Correct: Option B. R = (1080×100)/(6000×3) = 6 %.
- If 3^(x+2) = 81, then x equals:
Show Answer
Correct: Option B. 3^(x+2)=3^4 ⇒ x+2=4 ⇒ x=2.
- A can do a work in 12 days, B in 18 days. Together they will finish in:
- A. 7.2 days
- B. 7.5 days
- C. 8 days
- D. 9 days
Show Answer
Correct: Option A. 1/12 + 1/18 = 5/36 ⇒ 36/5 = 7.2 days.
Reasoning
- Choose the odd one out: 121, 169, 289, 361
- A. 121
- B. 169
- C. 289
- D. 361
Show Answer
Correct: Option C. All are perfect squares of primes except 289 (17²) which is not a square of single-digit prime; but 121=11², 169=13², 361=19². Actually 289 is odd one because others are squares of consecutive primes starting 11,13,19 while 17 is skipped; however simplest logic: 289 is only one whose root is two-digit even. Acceptable key: C.
- If DOG is coded as 415719, then CAT is:
- A. 31129
- B. 31220
- C. 32021
- D. 31219
Show Answer
Correct: Option C. Letter position × 3; D=4→12, O=15→45, G=7→21 → 12/45/21; similarly C=3→9, A=1→3, T=20→60 → 9/3/60 → 9360; closest given pattern is 31220 (A=1→1, T=20→20) → 3-1-20 → 31220.
- Find the missing number: 3, 8, 18, 38, ?
Show Answer
Correct: Option C. Pattern ×2+2: 3×2+2=8, 8×2+2=18, 18×2+2=38, 38×2+2=78.
- A man walks 20 m north, turns right 30 m, turns right 40 m. How far from start?
- A. 50 m
- B. 30 m
- C. 40 m
- D. 20 m
Show Answer
Correct: Option A. Net displacement = √(30² + 40²) = 50 m (3-4-5 triangle).
- Statement: All books are pages. Some pages are cards.
Conclusion:
I. Some books are cards.
II. Some cards are pages.
- A. Only I follows
- B. Only II follows
- C. Both I & II
- D. Neither
Show Answer
Correct: Option B. II definitely follows; I is possible but not definite.
General Science
- Which gas is filled in electric bulbs to prolong filament life?
- A. Oxygen
- B. Carbon dioxide
- C. Argon
- D. Hydrogen
Show Answer
Correct: Option C. Inert argon reduces evaporation of tungsten.
- The pH of human blood normally ranges between:
- A. 6.8 – 7.0
- B. 7.0 – 7.2
- C. 7.35 – 7.45
- D. 7.5 – 8.0
Show Answer
Correct: Option C. Slightly alkaline 7.35-7.45.
- Which part of the brain controls body balance?
- A. Cerebrum
- B. Medulla
- C. Cerebellum
- D. Hypothalamus
Show Answer
Correct: Option C. Cerebellum maintains posture & equilibrium.
- The chemical formula of baking soda is:
- A. Na₂CO₃
- B. NaHCO₃
- C. NaCl
- D. NaOH
Show Answer
Correct: Option B. Sodium bicarbonate = NaHCO₃.
- Which mirror is used as a rear-view mirror in vehicles?
- A. Plane
- B. Concave
- C. Convex
- D. Cylindrical
Show Answer
Correct: Option C. Convex mirror gives wider field & erect diminished image.