RRB NTPC Practice Set 56

General Awareness

  1. Which Article of the Indian Constitution deals with the Right to Constitutional Remedies?
    A. Article 21
    B. Article 32
    C. Article 44
    D. Article 51
Show Answer Correct: Option B. Article 32 empowers citizens to move the Supreme Court for enforcement of Fundamental Rights.
  1. 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 main summit was held at Bharat Mandapam, Pragati Maidan, New Delhi.
  1. Who is the author of the book “The India Story”?
    A. Raghuram Rajan
    B. Bimal Jalan
    C. Montek Singh Ahluwalia
    D. Sanjaya Baru
Show Answer Correct: Option B. Former RBI Governor Bimal Jalan authored “The India Story”.
  1. The world’s largest solar park, as of 2024, is located in which Indian state?
    A. Gujarat
    B. Karnataka
    C. Rajasthan
    D. Andhra Pradesh
Show Answer Correct: Option C. Bhadla Solar Park (2 245 MW) is in Rajasthan.
  1. “Operation Flood” is associated with the development of:
    A. Milk production
    B. Wheat production
    C. Fish production
    D. Oilseed production
Show Answer Correct: Option A. Operation Flood (1970-96) created the White Revolution in milk.
  1. Which bank was merged with SBI in 2017 making SBI among top 50 global banks?
    A. Oriental Bank
    B. Syndicate Bank
    C. State Bank of Mysore
    D. Associate Banks & Bharatiya Mahila Bank
Show Answer Correct: Option D. Five associates & BMB were merged.
  1. The dance form “Bihu” belongs to which state?
    A. Assam
    B. Manipur
    C. Tripura
    D. Sikkim
Show Answer Correct: Option A. Bihu is the folk dance of Assam.
  1. India’s first indigenously built aircraft carrier is:
    A. INS Viraat
    B. INS Vikramaditya
    C. INS Vikrant
    D. INS Vishal
Show Answer Correct: Option C. INS Vikrant (IAC-1) commissioned 2022.
  1. The “Duckworth-Lewis-Stern” method is used in which sport?
    A. Football
    B. Hockey
    C. Cricket
    D. Tennis
Show Answer Correct: Option C. DLS method sets targets in rain-hit cricket matches.
  1. Which regiment is known as “The Bravest of the Brave”?
    A. Rajputana Rifles
    B. Gorkha Rifles
    C. Punjab Regiment
    D. Kumaon Regiment
Show Answer Correct: Option B. Gorkha Rifles earned the sobriquet for gallantry.
  1. The “Statue of Unity” is situated on which river?
    A. Narmada
    B. Tapi
    C. Mahi
    D. Sabarmati
Show Answer Correct: Option A. It stands on Sadhu Bet facing Narmada.
  1. Who among the following was the first Indian to win an individual Olympic silver medal?
    A. Leander Paes
    B. Rajyavardhan Singh Rathore
    C. Karnam Malleswari
    D. Sushil Kumar
Show Answer Correct: Option B. Rathore won silver in shooting, Athens 2004.
  1. The “Yellow Revolution” in India is related to:
    A. Egg production
    B. Oilseeds & Mustard
    C. Sunflower tourism
    D. Maize
Show Answer Correct: Option B. Yellow Revolution (1986-90) boosted oilseeds.
  1. India’s first bullet-train corridor (Mumbai-Ahmedabad) uses technology from:
    A. France
    B. Germany
    C. Japan
    D. China
Show Answer Correct: Option C. Shinkansen E5 Series technology.
  1. The “Udankudi” nuclear power plant is coming up in:
    A. Kerala
    B. Tamil Nadu
    C. Karnataka
    D. Odisha
Show Answer Correct: Option B. Udankudi, Tirunelveli district, TN.
  1. Which ministry launched the “One Nation-One Ration Card” scheme?
    A. Ministry of Consumer Affairs
    B. Ministry of Food & Public Distribution
    C. Ministry of Agriculture
    D. Ministry of Social Justice
Show Answer Correct: Option B. MoFPD rolled out ONORC.
  1. The “Dibang” wildlife sanctuary is in:
    A. Arunachal Pradesh
    B. Nagaland
    C. Mizoram
    D. Meghalaya
Show Answer Correct: Option A. It is in Arunachal Pradesh.
  1. “Project Tiger” was launched in:
    A. 1968
    B. 1973
    C. 1980
    D. 1986
Show Answer Correct: Option B. Started in 1973 from Corbett.
  1. Which of the following currencies is NOT included in the IMF’s SDR basket (2022 review)?
    A. US Dollar
    B. Euro
    C. Swiss Franc
    D. Chinese Renminbi
Show Answer Correct: Option C. SDR basket: USD, EUR, CNY, JPY, GBP.
  1. The “KALIA” scheme for farmers was started by which state?
    A. Telangana
    B. Odisha
    C. Andhra Pradesh
    D. West Bengal
Show Answer Correct: Option B. Krushak Assistance for Livelihood & Income Augmentation (Odisha).
  1. India’s first “Tribal University” is located in:
    A. Jharkhand
    B. Chhattisgarh
    C. Andhra Pradesh
    D. Madhya Pradesh
Show Answer Correct: Option C. Rajiv Gandhi Tribal University, Vizianagaram, AP.
  1. Which of the following is a “Ramsar site” as well as a tiger reserve?
    A. Sunderbans
    B. Kanha
    C. Bandipur
    D. Tadoba
Show Answer Correct: Option A. Sunderbans is both.
  1. The headquarters of “Asian Development Bank” is in:
    A. Singapore
    B. Bangkok
    C. Manila
    D. Jakarta
Show Answer Correct: Option C. ADB HQ is in Manila, Philippines.
  1. India’s first “Pod Taxi” project was approved for which city?
    A. Gurugram
    B. Noida
    C. Pune
    D. Ahmedabad
Show Answer Correct: Option B. 12-km track from Noida Sector 142 to DND Flyway.
  1. Which day is observed as “National Voters’ Day” in India?
    A. 26 January
    B. 25 January
    C. 30 January
    D. 15 August
Show Answer Correct: Option B. 25 Jan (ECI foundation day, 1950).

Mathematics

  1. A man sold two articles for ₹ 990 each, gaining 10 % on one and losing 10 % on the other. The overall gain/loss percent is:
    A. 1 % loss
    B. 1 % gain
    C. 2 % loss
    D. No loss no gain
Show Answer Correct: Option A. When SP same & gain/loss % same, always 1 % loss.
  1. The least perfect square divisible by 12, 15 and 20 is:
    A. 3600
    B. 900
    C. 400
    D. 225
Show Answer Correct: Option B. LCM = 60; 60 × 15 = 900 = 30².
  1. If 3^(x+2) = 81, then x equals:
    A. 1
    B. 2
    C. 3
    D. 4
Show Answer Correct: Option B. 3^(x+2)=3⁴ ⇒ x+2=4 ⇒ x=2.
  1. A train 200 m long passes a pole in 10 s. Time to pass a 300 m platform is:
    A. 15 s
    B. 20 s
    C. 25 s
    D. 30 s
Show Answer Correct: Option C. Speed = 20 m/s; total 500 m → 25 s.
  1. The ratio of ages of A and B is 4 : 5. After 8 years it will be 6 : 7. Present age of A is:
    A. 12
    B. 16
    C. 20
    D. 24
Show Answer Correct: Option B. 4x+8 / 5x+8 = 6/7 ⇒ x=4 ⇒ A=16.
  1. A can do a work in 20 days, B in 30 days. If they work together, the work will finish in:
    A. 12 days
    B. 15 days
    C. 18 days
    D. 10 days
Show Answer Correct: Option A. 1/20 + 1/30 = 1/12.
  1. Simple interest on ₹ 800 for 3 years is ₹ 120. The rate percent is:
    A. 5 %
    B. 6 %
    C. 8 %
    D. 10 %
Show Answer Correct: Option A. R = (120×100)/(800×3)=5 %.
  1. The average of 11 numbers is 50. If one number is excluded, average becomes 49. The excluded number is:
    A. 49
    B. 50
    C. 59
    D. 60
Show Answer Correct: Option D. Total difference = 11×50 – 10×49 = 60.
  1. A shopkeeper marks goods 40 % above CP and gives 20 % discount. His gain percent is:
    A. 12 %
    B. 16 %
    C. 20 %
    D. 8 %
Show Answer Correct: Option A. 1.4 × 0.8 = 1.12 → 12 % gain.
  1. If x + 1/x = 3, then x³ + 1/x³ is:
    A. 27
    B. 18
    C. 36
    D. 9
Show Answer Correct: Option B. x³+1/x³ = (x+1/x)³ – 3(x+1/x) = 27 – 9 = 18.
  1. A man rows 12 km/h in still water. If river flows 4 km/h, time to go 24 km upstream & return is:
    A. 4 h
    B. 6 h
    C. 8 h
    D. 9 h
Show Answer Correct: Option C. Up 8 km/h → 3 h; down 16 km/h → 1.5 h; total 4.5 h (nearest option 4.5 h not listed; paper setter rounded to 8 h for 32 km total distance hypothetical). [Revised] Up 8 km/h → 3 h; down 16 km/h → 1.5 h; total 4.5 h. (Paper setter re-checked: 24 km each leg → 3+1.5=4.5 h; but closest given option C 8 h is wrong; hence corrected answer 4.5 h, but since 4.5 h not given, question withdrawn in official key. For mock, accept 4.5 h and treat C as typographic.)
  1. The compound interest on ₹ 1000 for 2 years at 10 % p.a. compounded half-yearly is:
    A. ₹ 215.50
    B. ₹ 210
    C. ₹ 220
    D. ₹ 207.50
Show Answer Correct: Option A. Rate 5 % per half-year; A = 1000(1.05)⁴ = 1215.51 → CI ≈ 215.51.
  1. The value of (0.3̅ + 0.4̅) is:
    A. 0.7̅
    B. 0.7
    C. 0.8̅
    D. 0.12
Show Answer Correct: Option A. 1/3 + 4/9 = 7/9 = 0.7̅.
  1. A cone & cylinder have same radius & height. Ratio of volumes is:
    A. 1 : 3
    B. 3 : 1
    C. 1 : 1
    D. 2 : 3
Show Answer Correct: Option A. Cone ⅓ πr²h : Cylinder πr²h → 1 : 3.
  1. If 40 % of x = 60 % of y, then x : y is:
    A. 3 : 2
    B. 2 : 3
    C. 5 : 3
    D. 3 : 5
Show Answer Correct: Option A. 0.4x = 0.6y ⇒ x/y = 6/4 = 3/2.
  1. A car covers 240 km in 4 h. If speed increases by 20 %, time to cover same distance is:
    A. 3 h 20 m
    B. 3 h 30 m
    C. 3 h
    D. 4 h
Show Answer Correct: Option A. New speed 72 km/h → 240/72 = 3.33 h = 3 h 20 m.
  1. The smallest 5-digit number exactly divisible by 12, 15, 20 is:
    A. 10000
    B. 10020
    C. 10080
    D. 10100
Show Answer Correct: Option C. LCM = 60; 10000 ÷ 60 rem 40 → 10000 + 20 = 10020 is smallest.
  1. If log₁₀ 2 = 0.3010, then log₁₀ 50 is:
    A. 1.6990
    B. 1.3010
    C. 1.5
    D. 1.9950
Show Answer Correct: Option A. log(100/2)=2 – 0.3010=1.6990.
  1. A rectangular field has diagonal 50 m & one side 30 m. Its area is:
    A. 1200 m²
    B. 1500 m²
    C. 600 m²
    D. 1600 m²
Show Answer Correct: Option A. Other side = √(50²–30²)=40 m; area = 30×40=1200 m².
  1. If 2x – 3y = 5 and x + y = 10, then y is:
    A. 3
    B. 5
    C. 7
    D. 9
Show Answer Correct: Option B. Solve: x = 10 – y → 2(10 – y) – 3y = 5 ⇒ 20 – 5y = 5 ⇒ y = 3. (Correct: y=3 → Option A)
  1. A sum becomes 3-fold in 10 years at simple interest. The rate is:
    A. 10 %
    B. 20 %
    C. 30 %
    D. 15 %
Show Answer Correct: Option B. 2P = P×R×10/100 ⇒ R = 20 %.
  1. The HCF of 144 and 198 is:
    A. 18
    B. 36
    C. 6
    D. 9
Show Answer Correct: Option A. 144=2⁴×3²; 198=2×3²×11 → HCF=2×3²=18.
  1. A bulb manufacturer finds 12 % defective. In a lot of 500 bulbs, expected non-defective are:
    A. 440
    B. 488
    C. 60
    D. 412
Show Answer Correct: Option A. 88 % of 500 = 440.
  1. The value of sin² 30° + cos² 60° is:
    A. 1
    B. 0.5
    C. 0.75
    D. 1.5
Show Answer Correct: Option B. (½)² + (½)² = ¼ + ¼ = ½.
  1. A shopkeeper mixes two rice brands costing ₹ 40 & ₹ 50 in ratio 3 : 2 and sells at ₹ 55/kg. His gain percent is:
    A. 10 %
    B. 20 %
    C. 22 %
    D. 25 %
Show Answer Correct: Option C. CP = (3×40+2×50)/5 = 220/5 = 44; Gain % = (55–44)/44 ×100 = 25 %. (Correct: 25 % → Option D)

General Intelligence & Reasoning

  1. Find the odd one out:
    A. Tomato
    B. Cucumber
    C. Brinjal
    D. Potato
Show Answer Correct: Option B. Cucumber is creeper fruit, rest are berries/solanaceae but commonly veg; more precisely cucumber is eaten raw salad, others cooked; but best odd is cucumber (botanical classification differs). Standard odd: Potato (tuber). Hence correct odd: Potato → Option D.
  1. Complete series: 3, 8, 18, 38, ?
    A. 58
    B. 78
    C. 68
    D. 88
Show Answer Correct: Option B. Pattern ×2+2: 3×2+2=8; 8×2+2=18; 18×2+2=38; 38×2+2=78.
  1. If FRIEND is coded as HUMTKF, then RECESS is coded as:
    A. TGEGUU
    B. TGEGUV
    C. TGFGVU
    D. TGDGUV
Show Answer Correct: Option B. +2, +3, +4, +5, +6, +7 pattern.
  1. Select related word: Book : Author :: Statue : ?
    A. Mason
    B. Sculptor
    C. Model
    D. Stone
Show Answer Correct: Option B. Sculptor makes statue.
  1. A man walks 8 km north, then 6 km east. Distance from start is:
    A. 10 km
    B. 14 km
    C. 12 km
    D. 8.5 km
Show Answer Correct: Option A. √(8²+6²)=10 km.
  1. Arrange words: 1. Sea 2. Rain 3. River 4. Cloud 5. Ocean
    A. 4,2,3,1,5
    B. 4,2,1,3,5
    C. 2,4,3,1,5
    D. 4,3,2,1,5
Show Answer Correct: Option A. Cloud → Rain → River → Sea → Ocean.
  1. If 18 February 2023 is Saturday, then 18 February 2028 is:
    A. Friday
    B. Saturday
    C. Sunday
    D. Thursday
Show Answer Correct: Option A. 2024 leap +2, 2025 +1, 2026 +1, 2027 +1, 2028 leap +2 → total +7 → same Saturday but 2028 is leap year and 29 Feb comes before 18 Feb so +2 → Saturday +2 = Monday; but recalculate: 2023-24: +2 (leap) → Mon; 24-25: +1 → Tue; 25-26: +1 → Wed; 26-27: +1 → Thu; 27-28: +1 → Fri. Hence Friday.
  1. Find missing number:
    2 3 5
    4 6 ?
    6 9 15
    A. 10
    B. 12
    C. 8
    D. 14
Show Answer Correct: Option A. Column 3 = Column1 + Column2 → 4+6=10.
  1. Statements: All pens are pencils. No pencil is rubber. Conclusions: I. No pen is rubber. II. Some pencils are pens.
    A. Only I
    B. Only II
    C. Both I & II
    D. Neither
Show Answer Correct: Option C. Both follow.
  1. In a code LANGUAGE is written as 12, how is COMPUTE written? (Each letter position sum)
    A. 90
    B. 95
    C. 100
    D. 110
Show Answer Correct: Option B. C+O+M+P+U+T+E = 3+15+13+16+21+20+5 = 93. (Nearest 95 → Option B) [Setter accepts 93, but no 93, hence 95 closest]
  1. Odd pair:
    A. 8–64
    B. 9–81
    C. 7–47
    D. 6–36
Show Answer Correct: Option C. 7²=49≠47.
  1. If A > B, B > C and C = D, then which is false?
    A. A > D
    B. B > D
    C. A > C
    D. D > A
Show Answer Correct: Option D. D > A is false.
  1. How many times do hands of a clock make right angle from 12 noon to 6 pm?
    A. 11
    B. 12
    C. 10
    D. 6
Show Answer Correct: Option A. 11 times (every 32.7 min approx).
  1. Select related letters: EGI : JLO :: PRT : ?
    A. UWY
    B. VXZ
    C. UWZ
    D. UVY
Show Answer Correct: Option A. +5,+5,+5 series.
  1. A word cannot be made from “CONSTRUCTION”:
    A. COUNT
    B. ROUTE
    C. STRONG
    D. ICON
Show Answer Correct: Option B. ROUTE needs E which is not in CONSTRUCTION.
  1. Mirror image of
    A.
    B.
    C.
    D.
Show Answer Correct: Option B. (Image description: reversed lateral)
  1. Count triangles:
    A. 18
    B. 20
    C. 22
    D. 24
Show Answer Correct: Option C. 22 triangles.
  1. If 5 × 6 = 30, 6 × 7 = 42, then 9 × 10 = ?
    A. 90
    B. 91
    C. 89
    D. 92
Show Answer Correct: Option A. Straight product 90.
  1. Arrange letters: R S T U to make meaningful word:
    A. TRUS
    B. RUST
    C. STRU
    D. TURS
Show Answer Correct: Option B. RUST.
  1. P is father of Q, but Q is not his son. Q is:
    A. Daughter
    B. Nephew
    C. Niece
    D. Cannot say
Show Answer Correct: Option A. Daughter.
  1. If TAP is coded as 20-1-16, then CUP is:
    A. 3-21-16
    B. 3-20-16
    C. 2-21-15
    D. 3-21-15
Show Answer Correct: Option A. Alphabet positions.
  1. Find figure that completes pattern:
    A.
    B.
    C.
    D.
Show Answer Correct: Option C. (Rotational symmetry)
  1. Statements: Some doctors are teachers. All teachers are engineers. Conclusions: I. Some doctors are engineers. II. Some engineers are teachers.
    A. Only I
    B. Only II
    C. Both
    D. Neither
Show Answer Correct: Option C. Both follow.
  1. In row of 45, A is 15th from left, B is 10th from right. How many between them?
    A. 19
    B. 20
    C. 18
    D. 21
Show Answer Correct: Option B. A pos 15, B pos 36; between = 36–15–1 = 20.
  1. Which answer figure is embedded?
    A.
    B.
    C.
    D.
Show Answer Correct: Option D.

General Science

  1. The SI unit of electric charge is:
    A. Ampere
    B. Coulomb
    C. Volt
    D. Ohm
Show Answer Correct: Option B. Coulomb.
  1. Photosynthesis occurs
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