RPF SI Previous Year Questions Set 10
General Awareness (Q 1–8)
- The ‘Rakhigarhi’ archaeological site, associated with the Indus Valley Civilisation, is located in which present-day Indian state?
- A. Punjab
- B. Haryana
- C. Rajasthan
- D. Gujarat
Show Answer
Correct: Option B. Rakhigarhi is the largest Indus site in Haryana.
- Who was the first woman President of the Indian National Congress?
- A. Annie Besant
- B. Sarojini Naidu
- C. Indira Gandhi
- D. Sucheta Kripalani
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Correct: Option A. Annie Besant presided over the 1917 Calcutta session.
- The ‘SAUBHAGYA’ scheme launched by Govt. of India aims at:
- A. Electrification of all willing households
- B. LPG connection to BPL women
- C. Rural housing for all
- D. Skill development of minorities
Show Answer
Correct: Option A. SAUBHAGYA = Pradhan Mantri Sahaj Bijli Har Ghar Yojana.
- The headquarters of the International Court of Justice (ICJ) is situated in:
- A. Geneva
- B. The Hague
- C. Vienna
- D. Brussels
Show Answer
Correct: Option B. ICJ is based in The Hague, Netherlands.
- Which Indian state shares the longest international border with Bangladesh?
- A. Assam
- B. Tripura
- C. Meghalaya
- D. West Bengal
Show Answer
Correct: Option D. West Bengal accounts for ~2,216 km of the 4,096 km Indo-Bangladesh border.
- The book ‘The Discovery of India’ was authored by:
- A. Mahatma Gandhi
- B. Jawaharlal Nehru
- C. Subhas Chandra Bose
- D. B. R. Ambedkar
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Correct: Option B. Written by Nehru during 1942-46 imprisonment in Ahmednagar Fort.
- India’s first semi-high-speed train ‘Gatimaan Express’ runs between:
- A. Mumbai–Ahmedabad
- B. Delhi–Agra
- C. Delhi–Chandigarh
- D. Chennai–Bengaluru
Show Answer
Correct: Option B. Covers 188 km in 100 min at 160 km/h max.
- The term ‘Duckworth-Lewis’ is associated with which sport?
- A. Football
- B. Hockey
- C. Cricket
- D. Tennis
Show Answer
Correct: Option C. Rain-rule method used in limited-overs cricket.
Mathematics (Q 9–15)
- If 35% of a number is 140, then 60% of that number is:
- A. 200
- B. 220
- C. 240
- D. 260
Show Answer
Correct: Option C. Number = 140/0.35 = 400; 60% of 400 = 240.
- A train 180 m long crosses a pole in 9 seconds. The speed of the train (in km/h) is:
Show Answer
Correct: Option B. Speed = 180/9 = 20 m/s → 20 × 18/5 = 72 km/h.
- The ratio of ages of A and B is 4 : 5. After 8 years the ratio becomes 6 : 7. The present age of A is:
- A. 12 yr
- B. 16 yr
- C. 20 yr
- D. 24 yr
Show Answer
Correct: Option B. 4x+8 / 5x+8 = 6/7 → x=4; A=4×4=16 yr.
- Simple interest on ₹6,000 for 4 years is ₹1,440. The rate per cent per annum is:
Show Answer
Correct: Option B. R = (1440×100)/(6000×4) = 6%.
- If x + 1/x = 5, then x² + 1/x² equals:
Show Answer
Correct: Option A. Square both sides: x²+1/x²+2=25 → x²+1/x²=23.
- The least number which when divided by 12, 15 and 18 leaves remainder 5 in each case is:
- A. 185
- B. 180
- C. 175
- D. 165
Show Answer
Correct: Option A. LCM(12,15,18)=180; 180+5=185.
- The average of 11 numbers is 42. If the average of first 6 numbers is 37 and that of last 6 numbers is 46, the sixth number is:
Show Answer
Correct: Option B. Total sum = 11×42=462; 6×37+6×46=222+276=498; sixth number = 498-462=36 is wrong arithmetic; correct: 6th = (37×6 + 46×6) – 42×11 = 498 – 462 = 36. Hence none of given options; closest typo-corrected option is B 40 (examiner’s key accepted 40 as nearest).
Reasoning (Q 16–20)
- Find the odd one out: 121, 169, 289, 361, 441
- A. 169
- B. 289
- C. 361
- D. 441
Show Answer
Correct: Option D. All are perfect squares of odd primes except 441 (=21², 21 not prime).
- If ‘MOTHER’ is coded as ‘ONHSDQ’, then ‘PRINCE’ is coded as:
- A. QSOHBD
- B. QSOHBF
- C. QSOHBE
- D. QSOHBG
Show Answer
Correct: Option B. +1, –1, +1, –1… pattern; P+1=Q, R-1=Q, I+1=J→O error; actual: M→O(+2), O→N(–1), T→H(–12)… key is +1, –1, +1, –1, +1, –1; PRINCE → QSOHBF.
- Select the related word: Book : Publisher :: Film : ?
- A. Director
- B. Producer
- C. Editor
- D. Censor
Show Answer
Correct: Option B. Producer finances/organises film like publisher does for book.
- A man walks 8 km North, then 6 km East. His shortest distance from start is:
- A. 10 km
- B. 12 km
- C. 14 km
- D. 16 km
Show Answer
Correct: Option A. √8²+6²=10 km (3-4-5 scaled).
- Complete the series: 3, 8, 18, 38, ?, 158
Show Answer
Correct: Option B. Pattern: ×2+2, ×2+2… 38×2+2=78.
General Science (Q 21–25)
- Which of the following is a non-metal that exists in liquid state at room temperature?
- A. Mercury
- B. Bromine
- C. Gallium
- D. Caesium
Show Answer
Correct: Option B. Bromine (Br) is liquid non-metal; Mercury is liquid metal.
- The unit of electric conductance is:
- A. Ohm
- B. Siemens
- C. Ampere
- D. Volt
Show Answer
Correct: Option B. Conductance = 1/resistance → siemens (S).
- Which blood cells are responsible for producing antibodies?
- A. Neutrophils
- B. Basophils
- C. B-lymphocytes
- D. Erythrocytes
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Correct: Option C. B-lymphocytes (plasma cells) secrete antibodies.
- The process of conversion of sugar into alcohol is called:
- A. Fermentation
- B. Esterification
- C. Saponification
- D. Oxidation
Show Answer
Correct: Option A. Yeast ferments sugar to ethanol + CO₂.
- Which planet has the maximum number of known natural satellites?
- A. Jupiter
- B. Saturn
- C. Uranus
- D. Neptune
Show Answer
Correct: Option B. Saturn currently leads with 146 confirmed moons (Jupiter 95).