RPF SI Previous Year Questions Set 4
1.Which of the following rivers does NOT flow into the Bay of Bengal?
A. Mahanadi
B. Godavari
C. Narmada
D. KrishnaShow Answer
Correct: Option C. Explanation: Narmada flows westward into the Arabian Sea.
2.Who was the first Indian to win an individual Olympic gold medal?
A. Abhinav Bindra
B. Rajyavardhan Singh Rathore
C. Leander Paes
D. Karnam MalleswariShow Answer
Correct: Option A. Explanation: Abhinav Bindra won gold in 10 m Air Rifle at Beijing 2008.
3.The “Dadasaheb Phalke Award” is given for outstanding contribution to
A. Literature
B. Music
C. Cinema
D. SportsShow Answer
Correct: Option C. Explanation: It is India’s highest cinema honour.
4.Which article of the Indian Constitution deals with the impeachment of the President?
A. Article 52
B. Article 61
C. Article 74
D. Article 356Show Answer
Correct: Option B. Explanation: Article 61 prescribes the procedure for impeachment.
5.The headquarters of the Asian Development Bank is located in
A. Manila
B. Bangkok
C. Jakarta
D. SingaporeShow Answer
Correct: Option A. Explanation: ADB HQ is in Manila, Philippines.
6.India’s first indigenously built aircraft carrier is
A. INS Vikramaditya
B. INS Viraat
C. INS Vikrant
D. INS VishalShow Answer
Correct: Option C. Explanation: INS Vikrant (IAC-1) was commissioned in 2022.
7.Which state launched the “Pink-Patrol” scheme for women safety?
A. Rajasthan
B. Haryana
C. Maharashtra
D. GujaratShow Answer
Correct: Option B. Explanation: Haryana Police introduced Pink-Patrol vehicles.
8.The book “The India Way” is authored by
A. Subrahmanyam Jaishankar
B. Nirmala Sitharaman
C. Amit Shah
D. Narendra ModiShow Answer
Correct: Option A. Explanation: Dr. S. Jaishankar, External Affairs Minister.
9.A train 200 m long passes a pole in 20 seconds. The speed of the train is
A. 20 km/h
B. 36 km/h
C. 45 km/h
D. 72 km/hShow Answer
Correct: Option B. Explanation: Speed = 200 m / 20 s = 10 m/s = 10 × 18/5 = 36 km/h.
10.If x + 1/x = 5, then x² + 1/x² is
A. 23
B. 25
C. 27
D. 29Show Answer
Correct: Option A. Explanation: Square both sides: x² + 2 + 1/x² = 25 ⇒ x² + 1/x² = 23.
11.The average of 11 numbers is 42. If one number, 66, is removed, the new average is
A. 38
B. 39
C. 40
D. 41
Show Answer
Correct: Option C. Explanation: Total = 11 × 42 = 462; new total = 462 – 66 = 396; new average = 396 / 10 = 39.6 ≈ 40 (nearest whole number).12.A man bought two watches for ₹800 each. He sold one at 20% gain and the other at 20% loss. His overall gain/loss percent is
A. 4% loss
B. 2% gain
C. No profit no loss
D. 1% lossShow Answer
Correct: Option A. Explanation: When SP same & gain/loss % equal, there is always (20²/100) = 4% loss on cost.
13.A can do a work in 12 days and B in 15 days. They work together for 4 days and then A leaves. In how many days will B finish the remaining work?
A. 6
B. 7
C. 8
D. 9Show Answer
Correct: Option A. Explanation: 4(1/12 + 1/15) = 4(9/60) = 36/60 = 3/5 done; 2/5 left; B does 1/15 per day ⇒ (2/5)/(1/15) = 6 days.
14.A sum amounts to ₹9261 in 3 years at 5% p.a. compound interest. The principal is
A. ₹8000
B. ₹8500
C. ₹9000
D. ₹8100Show Answer
Correct: Option A. Explanation: A = P(1 + 5/100)³ ⇒ 9261 = P(1.157625) ⇒ P = 9261 / 1.157625 = ₹8000.
15.If 3^(x+2) = 81, then x equals
A. 1
B. 2
C. 3
D. 4Show Answer
Correct: Option B. Explanation: 81 = 3⁴ ⇒ x + 2 = 4 ⇒ x = 2.
16.Select the odd one out: 17, 19, 23, 33
A. 17
B. 19
C. 23
D. 33Show Answer
Correct: Option D. Explanation: 33 is not a prime number.
17.Complete the series: BDF, HJL, NPR, ?
A. TVX
B. TUX
C. UVW
D. VXYShow Answer
Correct: Option A. Explanation: +6, +6, +6 letters; next group starts with T → TVX.
18.If ‘MOTHER’ is coded as ‘ONHSTF’, how is ‘FATHER’ coded?
A. GBSGFS
B. GCSIFS
C. GBSIFS
D. GCSGFSShow Answer
Correct: Option C. Explanation: +1, –1, +1, –1, +1, –1 pattern ⇒ F→G, A→B, T→S, H→I, E→F, R→S → GBSIFS.
19.A man pointing to a photograph says, “He is the son of the only son of my mother.” How is the man related to the person in the photograph?
A. Father
B. Uncle
C. Brother
D. NephewShow Answer
Correct: Option A. Explanation: Only son of my mother = myself; son of myself = my son ⇒ man is the father.
20.Select the missing number:
2 3 5
3 4 7
4 5 ?
A. 9
B. 10
C. 11
D. 12Show Answer
Correct: Option A. Explanation: First + second – 0 = third; 4 + 5 = 9.
21.Which of the following is NOT a unit of pressure?
A. Pascal
B. Bar
C. Torr
D. JouleShow Answer
Correct: Option D. Explanation: Joule is a unit of energy, not pressure.
22.The colour of the sky appears blue due to
A. Reflection
B. Refraction
C. Scattering
D. DispersionShow Answer
Correct: Option C. Explanation: Rayleigh scattering of shorter wavelengths.
23.Haemoglobin contains which metal ion?
A. Fe²⁺
B. Cu²⁺
C. Mg²⁺
D. Zn²⁺Show Answer
Correct: Option A. Explanation: Iron (Fe²⁺) is at the centre of haem.
24.The pH of human blood is approximately
A. 6.8
B. 7.0
C. 7.4
D. 8.0Show Answer
Correct: Option C. Explanation: Slightly alkaline, 7.35–7.45.
25.Which device is used to measure electric current?
A. Voltmeter
B. Ammeter
C. Ohmmeter
D. GalvanometerShow Answer
Correct: Option B. Explanation: Ammeter measures current in amperes.
BETA
