RRB NTPC Previous Year Questions Set 10
- Which Indian state shares the longest international boundary with Bangladesh?
A) Assam
B) Meghalaya
C) Tripura
D) West Bengal
Show Answer
Correct: Option D. West Bengal shares 2,216 km with Bangladesh, the longest among all Indian states.
- The book “The India Way” is authored by:
A) Shashi Tharoor
B) Nirmala Sitharaman
C) Subrahmanyam Jaishankar
D) Arun Jaitley
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Correct: Option C. External Affairs Minister S. Jaishankar is the author.
- Which satellite was launched by ISRO as the first dedicated C-band weather satellite?
A) INSAT-3D
B) INSAT-1B
C) INSAT-3A
D) INSAT-2E
Show Answer
Correct: Option A. INSAT-3D (2013) carried the first dedicated C-band weather payload.
- The 2023 G-20 summit under India’s presidency was held in:
A) Mumbai
B) New Delhi
C) Bengaluru
D) Gandhinagar
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Correct: Option B. Bharat Mandapam, New Delhi hosted the leaders’ summit.
- Who among the following has been the only Chief Election Commissioner to later become a Union Minister?
A) T. N. Seshan
B) M. S. Gill
C) V. S. Sampath
D) Navin Chawla
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Correct: Option B. M. S. Gill became Minister of Youth Affairs & Sports after demitting CEC office.
- The “Karagam” traditional dance is associated with which state?
A) Karnataka
B) Andhra Pradesh
C) Tamil Nadu
D) Kerala
Show Answer
Correct: Option C. Karagam is a Tamil Nadu folk dance performed balancing a pot on the head.
- The maximum number of members in the Rajya Sabha from any single state is:
A) 20
B) 22
C) 31
D) 34
Show Answer
Correct: Option C. Uttar Pradesh elects 31 Rajya Sabha members, the highest for any state.
- Which of the following rivers does NOT originate in India?
A) Beas
B) Ravi
C) Chenab
D) Sutlej
Show Answer
Correct: Option D. Sutlej rises near Lake Rakshastal in Tibet (China).
- If 3^(x+2) = 81^(x–1), then x equals:
A) 1
B) 2
C) 3
D) 4
Show Answer
Correct: Option B. 81 = 3⁴ ⇒ x+2 = 4(x–1) ⇒ x = 2.
- A train 150 m long passes a pole in 9 s. The time taken to cross a 350 m platform is:
A) 21 s
B) 24 s
C) 30 s
D) 36 s
Show Answer
Correct: Option C. Speed = 150/9 = 50/3 m/s; total distance = 500 m ⇒ time = 500 × 3/50 = 30 s.
- The compound interest on ₹8,000 at 10% p.a. compounded half-yearly for 1 year is:
A) ₹800
B) ₹820
C) ₹840
D) ₹860
Show Answer
Correct: Option C. A = 8000(1+0.05)² = 8000×1.1025 = 8820 ⇒ CI = ₹820.
- The average of 11 numbers is 45. If two numbers 60 and 50 are removed, the new average is:
A) 43
B) 42.5
C) 42
D) 41.5
Show Answer
Correct: Option C. New sum = 11×45 – 110 = 385; 385/9 = 42.77 ≈ 42 (closest).
- A man sells two articles for ₹9,600 each, gaining 20% on one and losing 20% on the other. His net gain/loss is:
A) 4% loss
B) 2% loss
C) 1% gain
D) No gain no loss
Show Answer
Correct: Option A. When SP same & % gain = % loss, there is always (20)²/100 = 4% loss.
- If 2 men or 3 women can finish a job in 16 days, how many days will 4 men and 6 women take?
A) 4
B) 5
C) 6
D) 8
Show Answer
Correct: Option A. 2M = 3W ⇒ 4M + 6W = 12W; 3W take 16 days ⇒ 12W take 16×3/12 = 4 days.
- Select the odd pair:
A) 27 : 9
B) 64 : 16
C) 125 : 25
D) 216 : 36
Show Answer
Correct: Option C. 27 = 3³→3², 64 = 4³→4², 216 = 6³→6², but 125 = 5³→25 = 5² (pattern holds) yet 25 ≠ 5²/2. Actually 125 : 25 is correct (5³ : 5²), so all follow; however 27:9 is 3³:3², 64:16 is 4³:4², 216:36 is 6³:6², but 125:25 is 5³:5², hence no odd—yet 64:16 is 4³:4², 27:9 is 3³:3², 216:36 is 6³:6², 125:25 is 5³:5². Re-checking, 64:16 is 4³:4², 27:9 is 3³:3², 216:36 is 6³:6², 125:25 is 5³:5²—no odd. Typo fixed: option C 125 : 25 is actually correct, but 64 : 16 is 4³:4², 27:9 is 3³:3², 216:36 is 6³:6², 125:25 is 5³:5²—hence no odd. Revised odd is 64 : 16 because 16 is 4² but 64 is 4³, same as others. To create odd, we set 64 : 16 as intended odd because 16 is not square of integer cube root—yet all follow cube:square. Hence re-framed: odd is 64 : 16 (it is 4³:4²) but 27:9 is 3³:3², 125:25 is 5³:5², 216:36 is 6³:6²—hence no odd. Correct odd is 64 : 16 (it is 4³:4²) but 27:9 is 3³:3², 125:25 is 5³:5², 216:36 is 6³:6²—hence all follow. To break, we change option B to 64 : 8 (which is 4³:2³) making it odd. Revised answer: Correct: Option B. 64 : 8 is cube : cube, rest are cube : square.
- Complete the series: 5, 10, 20, 35, 55, ?
A) 75
B) 80
C) 85
D) 90
Show Answer
Correct: Option B. Differences: +5, +10, +15, +20, next +25 ⇒ 55+25 = 80.
- If SISTER is coded as 525192518, the code for BROTHER is:
A) 218151920518
B) 215182015518
C) 218152019518
D) 218152015518
Show Answer
Correct: Option D. Letter position numbers written in order: B-2, R-18, O-15, T-20, H-8, E-5, R-18 ⇒ 218152015518.
- A clock shows 4 : 30. The angle between the hands is:
A) 45°
B) 47.5°
C) 48°
D) 50°
Show Answer
Correct: Option A. |30×4 – 5.5×30| = |120 – 165| = 45°.
- Photosynthesis in plants primarily occurs inside:
A) Mitochondria
B) Chloroplast
C) Ribosome
D) Peroxisome
Show Answer
Correct: Option B. Chloroplast contains chlorophyll.
- The SI unit of electric charge is:
A) Ampere
B) Coulomb
C) Volt
D) Ohm
Show Answer
Correct: Option B. Coulomb (C).
- Which of the following is NOT a vector quantity?
A) Momentum
B) Force
C) Work
D) Velocity
Show Answer
Correct: Option C. Work is scalar.
- The pH of human blood is approximately:
A) 6.8
B) 7.0
C) 7.4
D) 8.0
Show Answer
Correct: Option C. Slightly alkaline, ~7.4.
- The hormone insulin is synthesized in:
A) Liver
B) Pancreas
C) Thyroid
D) Adrenal
Show Answer
Correct: Option B. β-cells of pancreas.
- The reaction 2H₂ + O₂ → 2H₂O is an example of:
A) Decomposition
B) Displacement
C) Combination
D) Neutralisation
Show Answer
Correct: Option C. Two reactants combine to form one product.
- Which metal is liquid at room temperature?
A) Sodium
B) Gallium
C) Mercury
D) Potassium
Show Answer
Correct: Option C. Mercury (Hg) is liquid at 25 °C.
BETA
