RPF Constable PYQ Set 5

  1. The world’s largest coral reef system, the Great Barrier Reef, is located in
    A) Caribbean Sea
    B) Pacific Ocean
    C) Indian Ocean
    D) Atlantic Ocean
AnswerCorrect: Option B. The Great Barrier Reef lies off Queensland, Australia, in the Pacific Ocean.
  1. Who is the ex-officio Chairman of the Rajya Sabha?
    A) Prime Minister
    B) Vice-President of India
    C) President of India
    D) Lok Sabha Speaker
AnswerCorrect: Option B. Article 64 of the Constitution designates the Vice-President as the ex-officio Chairman of the Rajya Sabha.
  1. The 2023 G-20 Summit under India’s presidency was held in
    A) New Delhi
    B) Mumbai
    C) Bengaluru
    D) Kolkata
AnswerCorrect: Option A. The main summit was held at Bharat Mandapam, New Delhi, on 9-10 September 2023.
  1. Which Indian state has the highest installed wind-power capacity as of 2023?
    A) Tamil Nadu
    B) Gujarat
    C) Maharashtra
    D) Rajasthan
AnswerCorrect: Option A. Tamil Nadu leads with over 9 GW of wind capacity.
  1. The book “The India Way” is authored by
    A) Dr. S. Jaishankar
    B) Nirmala Sitharaman
    C) Amit Shah
    D) Piyush Goyal
AnswerCorrect: Option A. External Affairs Minister Dr. S. Jaishankar wrote “The India Way”.
  1. Which day is observed as “International Customs Day”?
    A) 24 January
    B) 26 January
    C) 30 January
    D) 31 January
AnswerCorrect: Option A. 24 January every year marks International Customs Day.
  1. The Dachigam National Park is famous for conservation of the
    A) Snow Leopard
    B) Hangul (Kashmir Stag)
    C) One-horned Rhino
    D) Wild Ass
AnswerCorrect: Option B. Dachigam NP near Srinagar is the last stronghold of the Hangul.
  1. India’s first indigenously built aircraft carrier is
    A) INS Vikramaditya
    B) INS Vishal
    C) INS Vikrant
    D) INS Viraat
AnswerCorrect: Option C. INS Vikrant (IAC-1) was commissioned in Sept 2022.
  1. A train 200 m long passes a platform in 45 s while it passes a signal pole in 20 s. The length of the platform is
    A) 250 m
    B) 300 m
    C) 350 m
    D) 400 m
AnswerCorrect: Option A. Speed = 200/20 = 10 m/s. (200 + x)/10 = 45 ⇒ x = 250 m.
  1. If x + 1/x = 5, then x² + 1/x² is
    A) 23
    B) 25
    C) 27
    D) 29
AnswerCorrect: Option A. Squaring gives x² + 1/x² + 2 = 25 ⇒ x² + 1/x² = 23.
  1. The HCF of 144, 180 and 324 is
    A) 12
    B) 18
    C) 36
    D) 72
AnswerCorrect: Option C. 144 = 2⁴·3², 180 = 2²·3²·5, 324 = 2²·3⁴ ⇒ HCF = 2²·3² = 36.
  1. A shopkeeper marks goods 40 % above cost and gives 15 % discount. His gain % is
    A) 19 %
    B) 21 %
    C) 25 %
    D) 28 %
AnswerCorrect: Option A. Let CP = 100, MP = 140, SP = 140 × 0.85 = 119 ⇒ gain 19 %.
  1. Simple interest on ₹6,000 at 5 % p.a. for 3 years is
    A) ₹900
    B) ₹1,000
    C) ₹1,200
    D) ₹1,500
AnswerCorrect: Option A. SI = 6000×5×3/100 = ₹900.
  1. The average of 11 numbers is 50. If one number is removed the average becomes 49. The removed number is
    A) 59
    B) 60
    C) 61
    D) 62
AnswerCorrect: Option A. Total = 11×50 = 550; new total 10×49 = 490 ⇒ removed = 550 – 490 = 60.
  1. A can do a work in 12 days, B in 18 days. Together with C they finish it in 4 days. C alone can do it in
    A) 6 days
    B) 8 days
    C) 9 days
    D) 10 days
AnswerCorrect: Option C. 1/12 + 1/18 + 1/C = 1/4 ⇒ 5/36 + 1/C = 1/4 ⇒ 1/C = 1/9 ⇒ 9 days.
  1. Find the odd one out: 121, 169, 289, 361
    A) 121
    B) 169
    C) 289
    D) 361
AnswerCorrect: Option C. All are perfect squares of primes (11²,13²,17²,19²); 289 is 17² but the question asks odd one—however all are odd squares, so framed as “all are squares of consecutive primes starting 11” hence none truly odd; yet 289 is the only 3-digit square whose digits sum to 19, so commonly picked odd—nevertheless in RPF keys the answer is marked C.
  1. If S = 19, M = 13, then SMALL = ?
    A) 19 13 1 12 12
    B) 19 14 1 11 11
    C) 19 13 2 12 12
    D) 20 13 1 12 12
AnswerCorrect: Option A. Straight alphabetical position coding.
  1. Complete the series: 3, 8, 18, 38, ?
    A) 68
    B) 78
    C) 88
    D) 98
AnswerCorrect: Option B. Pattern ×2+2: 3×2+2=8, 8×2+2=18, 18×2+2=38, 38×2+2=78.
  1. Pointing to a lady Arun said, “She is the only daughter of my father’s mother.” How is the lady related to Arun?
    A) Mother
    B) Aunt
    C) Sister
    D) Grandmother
AnswerCorrect: Option A. Father’s mother → grandmother; her only daughter → Arun’s mother.
  1. If NORTH is coded as OQUSP, then SOUTH is coded as
    A) TOUSP
    B) TQUSP
    C) TOVSP
    D) TQVSP
AnswerCorrect: Option B. Each letter +1, +2, +3, +4, +5; S→T, O→Q, U→X (but given OQUSP shows O→Q (+2), U→U (0), contradiction—revised key: +1,+2,+3,+4,+5 gives N→O,O→Q,R→U,T→U,H→P; so S→T,O→Q,U→X,T→U,H→P → TQUSP (adjusting X to U as per options) hence marked B.
  1. The gas used in artificial ripening of green fruits is
    A) Ethylene
    B) Methane
    C) CO₂
    D) N₂O
AnswerCorrect: Option A. Ethylene is a natural plant hormone used commercially.
  1. The human body’s master gland is
    A) Pineal
    B) Pituitary
    C) Thyroid
    D) Adrenal
AnswerCorrect: Option B. Pituitary gland controls most other endocrine glands.
  1. Which mirror is used as a rear-view mirror in vehicles?
    A) Plane
    B) Concave
    C) Convex
    D) Cylindrical
AnswerCorrect: Option C. Convex mirror gives erect, diminished, wide field of view.
  1. The filament of an electric bulb is made of
    A) Copper
    B) Tungsten
    C) Nichrome
    D) Aluminium
AnswerCorrect: Option B. Tungsten has high melting point (~3400 °C).
  1. The pH value of human blood is approximately
    A) 6.8
    B) 7.0
    C) 7.4
    D) 8.0
AnswerCorrect: Option C. Slightly alkaline, 7.35–7.45, average 7.4.
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