RPF Constable PYQ Set 3
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General Awareness
The world’s largest river island, Majuli, is located on which river?
A. Ganga
B. Brahmaputra
C. Yamuna
D. GodavariAnswer
Correct: Option B. Majuli Island is formed by the Brahmaputra and its tributaries in Assam. -
General Awareness
Who is the author of the book The Accidental Prime Minister?
A. Sanjaya Baru
B. P. C. Parakh
C. Vinod Rai
D. Natwar SinghAnswer
Correct: Option A. Sanjaya Baru, former media adviser to PM Manmohan Singh, authored the book. -
General Awareness
The 2028 Summer Olympics will be hosted by which city?
A. Brisbane
B. Paris
C. Los Angeles
D. TokyoAnswer
Correct: Option C. Los Angeles will host the 2028 Games; Brisbane hosts 2032. -
General Awareness
Which Article of the Indian Constitution deals with the Right to Constitutional Remedies?
A. Article 32
B. Article 44
C. Article 21
D. Article 19Answer
Correct: Option A. Article 32 empowers citizens to move the Supreme Court for enforcement of fundamental rights. -
General Awareness
The currency of Argentina is:
A. Peso
B. Real
C. Franc
D. DollarAnswer
Correct: Option A. Argentine Peso is the official currency. -
General Awareness
India’s first bullet-train corridor (Mumbai–Ahmedabad) is being built with technical assistance from:
A. Germany
B. France
C. Japan
D. ChinaAnswer
Correct: Option C. Japan is providing Shinkansen technology and a soft loan. -
General Awareness
Which Indian state launched the “Pink Sarthi” electric-bus service for women commuters?
A. Rajasthan
B. Maharashtra
C. Gujarat
D. PunjabAnswer
Correct: Option A. Rajasthan launched the service in 2022 under the Pink City cluster. -
General Awareness
The boundary line between India and China is known as:
A. Durand Line
B. McMahon Line
C. Radcliffe Line
D. 38th ParallelAnswer
Correct: Option B. The McMahon Line demarcates the eastern sector of the India-China border. -
Mathematics
A train 180 m long passes a pole in 9 seconds. The speed of the train (in km/h) is:
A. 36
B. 54
C. 72
D. 90Answer
Correct: Option C. Speed = 180/9 = 20 m/s → 20×18/5 = 72 km/h. -
Mathematics
If x + 1/x = 5, then x² + 1/x² is equal to:
A. 23
B. 25
C. 27
D. 29Answer
Correct: Option A. Square both sides: x²+2+1/x²=25 ⇒ x²+1/x²=23. -
Mathematics
The compound interest on ₹4,000 for 2 years at 10% per annum compounded annually is:
A. ₹820
B. ₹840
C. ₹860
D. ₹880Answer
Correct: Option B. CI = 4000[(1.1)²–1] = 4000×0.21 = ₹840. -
Mathematics
The HCF of 72, 108 and 180 is:
A. 12
B. 18
C. 24
D. 36Answer
Correct: Option B. 72 = 2³×3², 108 = 2²×3³, 180 = 2²×3²×5 → HCF = 2²×3² = 36. (Correction: 2²×3² = 36; 36 is highest common factor, but 18 is also common; 36 is larger. Hence 36 is correct HCF.) -
Mathematics
A shopkeeper marks goods 40% above cost price and gives a 20% discount. His gain percent is:
A. 8%
B. 10%
C. 12%
D. 14%Answer
Correct: Option C. Let CP = 100, MP = 140, SP = 140×0.8 = 112 → Gain = 12%. -
Mathematics
The average of 11 numbers is 50. If the average of the first 6 is 48 and that of the last 6 is 52, the sixth number is:
A. 50
B. 52
C. 56
D. 58Answer
Correct: Option A. Total = 11×50 = 550; sum of first 6 = 288; sum of last 6 = 312. Sixth number = (288+312) – 550 = 50. -
Mathematics
A man can row 9 km/h in still water. If the river flows at 3 km/h, the time to row 24 km upstream is:
A. 3 h
B. 4 h
C. 5 h
D. 6 hAnswer
Correct: Option B. Upstream speed = 9–3 = 6 km/h; time = 24/6 = 4 h. -
Reasoning
Find the odd one out:
A. Copper
B. Iron
C. Brass
D. SilverAnswer
Correct: Option C. Brass is an alloy; others are pure metals. -
Reasoning
Complete the series: 3, 8, 18, 38, ?, 158
A. 68
B. 78
C. 88
D. 98Answer
Correct: Option B. Pattern: ×2+2, ×2+2, … 38×2+2 = 78. -
Reasoning
If SYSTEM is coded as TZTUFN, how is PUBLIC coded?
A. QVMJBD
B. QVMJCD
C. QVMKBD
D. QVMLBDAnswer
Correct: Option A. Each letter +1; so PUBLIC → QVMJBD. -
Reasoning
A man walks 12 m north, then 5 m east, then 12 m south. How far is he from the starting point?
A. 0 m
B. 5 m
C. 10 m
D. 13 mAnswer
Correct: Option B. Net north–south displacement = 0; east displacement = 5 m. -
Reasoning
Select the related word: Doctor : Stethoscope :: Painter : ?
A. Brush
B. Canvas
C. Palette
D. EaselAnswer
Correct: Option A. Stethoscope is the primary tool of a doctor; brush is the primary tool of a painter. -
General Science
Which part of the human brain controls balance and coordination?
A. Cerebrum
B. Cerebellum
C. Medulla
D. PonsAnswer
Correct: Option B. Cerebellum maintains posture and equilibrium. -
General Science
The pH value of human blood is approximately:
A. 6.8
B. 7.0
C. 7.4
D. 8.0Answer
Correct: Option C. Blood is slightly alkaline, pH ≈ 7.4. -
General Science
Which gas is used in the manufacture of vanaspati ghee from vegetable oil?
A. Hydrogen
B. Nitrogen
C. Oxygen
D. Carbon dioxideAnswer
Correct: Option A. Hydrogenation uses hydrogen gas in presence of nickel catalyst. -
General Science
The SI unit of electric charge is:
A. Ampere
B. Coulomb
C. Volt
D. OhmAnswer
Correct: Option B. Coulomb (C) is the SI unit of charge. -
General Science
Which vitamin is produced in the human body when skin is exposed to sunlight?
A. Vitamin A
B. Vitamin B
C. Vitamin D
D. Vitamin KAnswer
Correct: Option C. UV-B rays convert 7-dehydrocholesterol to Vitamin D₃.
BETA
