The book “The Unquiet River” was authored by
A. Ramachandra Guha
B. Arundhati Roy
C. Amitav Ghosh
D. Meghnad Desai
Show Answer
Correct: Option A. Explanation: “The Unquiet River” is a 2019 historical study of the Yamuna by noted historian Ramachandra Guha.
Which Indian state has the largest notified forest area according to India State of Forest Report 2021?
A. Arunachal Pradesh
B. Madhya Pradesh
C. Maharashtra
D. Chhattisgarh
Show Answer
Correct: Option B. Explanation: MP retains the top slot with ~77,400 km² recorded forest, followed by Arunachal.
The 2023 G-20 Summit under India’s presidency was held in
A. Bengaluru
B. New Delhi
C. Mumbai
D. Gandhinagar
Show Answer
Correct: Option B. Explanation: The Leaders’ Summit took place at Bharat Mandapam, New Delhi on 9-10 Sept 2023.
“Project 75-I” of Indian Navy relates to
A. Aircraft carriers
B. Conventional submarines
C. Stealth frigates
D. Survey ships
Show Answer
Correct: Option B. Explanation: P-75I is the ₹43k cr plan for six new-generation conventional submarines with AIP.
The monetary policy function “reverse repo” means RBI
A. borrowing from banks at a fixed rate
B. lending to banks at Bank Rate
C. buying dollars from exporters
D. selling dated securities
Show Answer
Correct: Option A. Explanation: In reverse repo RBI absorbs surplus liquidity by borrowing from banks; collateral is G-Sec.
“Kambala” is a traditional buffalo race of which state?
A. Kerala
B. Tamil Nadu
C. Karnataka
D. Andhra Pradesh
Show Answer
Correct: Option C. Explanation: Kambala is held in the coastal districts of Karnataka during Nov–Mar.
Which planet was demoted to “dwarf planet” status in 2006?
A. Neptune
B. Pluto
C. Ceres
D. Eris
Show Answer
Correct: Option B. Explanation: IAU reclassified Pluto as a dwarf planet on 24 Aug 2006.
India’s first bullet-train corridor (Mumbai–Ahmedabad) uses the
A. Russian gauge
B. Indian broad gauge
C. Standard gauge (1435 mm)
D. Metre gauge
Show Answer
Correct: Option C. Explanation: Japanese Shinkansen E5 Series runs on standard gauge for 320 km/h operations.
A chair sold for ₹1,530 gives a 15 % gain. The cost price is
A. ₹1,300
B. ₹1,330
C. ₹1,350
D. ₹1,400
Show Answer
Correct: Option B. Explanation: CP = 1530×100/115 = ₹1,330.43 ≈ ₹1,330.
The LCM of 24, 36 and 60 is
A. 180
B. 240
C. 360
D. 720
Show Answer
Correct: Option C. Explanation: 24=2³×3, 36=2²×3², 60=2²×3×5 ⇒ LCM=2³×3²×5 = 360.
A train 180 m long crosses a pole in 9 s. Its speed in km/h is
A. 60
B. 72
C. 75
D. 80
Show Answer
Correct: Option B. Explanation: Speed = 180 m /9 s = 20 m/s = 20×18/5 = 72 km/h.
If 3^(2x–1) = 81, then x equals
A. 2
B. 2.5
C. 3
D. 4
Show Answer
Correct: Option B. Explanation: 81=3⁴ ⇒ 2x–1=4 ⇒ x=5/2=2.5.
Compound interest on ₹10,000 at 10 % p.a. compounded half-yearly for 1 year is
A. ₹1,000
B. ₹1,025
C. ₹1,050
D. ₹1,102.50
Show Answer
Correct: Option B. Explanation: Rate per half-year = 5 %, periods = 2. A = 10000(1.05)² = 11025 ⇒ CI = ₹1,025.
The mean of 11 numbers is 60. If one number 45 is removed, the new mean is
A. 61
B. 61.5
C. 62
D. 63
Show Answer
Correct: Option B. Explanation: Total = 11×60 = 660; new total 615, new mean 615/10 = 61.5.
A certain sum amounts to ₹11,200 in 2 years and ₹12,544 in 3 years at compound interest annually. The rate is
A. 8 %
B. 10 %
C. 12 %
D. 15 %
Show Answer
Correct: Option C. Explanation: Interest in 3rd year = 12544 – 11200 = 1344; rate = 1344/11200 = 0.12 = 12 %.
Find the odd one out: 121, 169, 289, 361, 441
A. 121
B. 289
C. 361
D. 441
Show Answer
Correct: Option D. Explanation: All are perfect squares of odd primes except 441 (=21², 21 not prime).
If TOUR is coded as 1234 and LATE as 5678, then ROUTE is
A. 41235
B. 41325
C. 43125
D. 41352
Show Answer
Correct: Option A. Explanation: Letter-to-digit mapping consistent: R=4,O=1,U=2,T=3,E=5 ⇒ ROUTE=41235.
Select the related word: Doctor : Hospital :: Chef : ?
A. Kitchen
B. Restaurant
C. Hotel
D. Diner
Show Answer
Correct: Option B. Explanation: Workplace relation—chef’s primary workplace is restaurant (most specific).
A watch reads 4:30. If the minute hand points South-East, in which direction does the hour hand point?
A. North-West
B. South-West
C. North-East
D. South
Show Answer
Correct: Option A. Explanation: At 4:30 hour hand is halfway between 4 & 5; if 6 is SE, 3 is NE, 12 is NW, hence hour hand points NW.
In the series 2, 5, 10, 17, 26, ? the next term is
A. 35
B. 36
C. 37
D. 38
Show Answer
Correct: Option C. Explanation: Differences increase by 2: +3, +5, +7, +9, next +11 ⇒ 26+11=37.
The gas used in the “Soda-acid” fire extinguisher is
A. CO₂
B. N₂
C. O₂
D. SO₂
Show Answer
Correct: Option A. Explanation: Reaction NaHCO₃ + H₂SO₄ → CO₂ gas forms the blanketing foam.
Human blood pH is maintained around
A. 6.8
B. 7.0
C. 7.4
D. 8.0
Show Answer
Correct: Option C. Explanation: Arterial blood pH ≈ 7.35–7.45; 7.4 is the set-point.
Which of the following is NOT a vector quantity?
A. Momentum
B. Force
C. Work
D. Velocity
Show Answer
Correct: Option C. Explanation: Work = F·d, a scalar product; others have direction.
The process of conversion of sugar into alcohol is called
A. Oxidation
B. Fermentation
C. Esterification
D. Saponification
Show Answer
Correct: Option B. Explanation: Yeast anaerobically ferments sugar to ethanol + CO₂.
Which metal forms a protective oxide layer called “passive film” that prevents further corrosion?
A. Iron
B. Copper
C. Aluminium
D. Silver
Show Answer
Correct: Option C. Explanation: Al instantly forms Al₂O₃ film that shields the bulk metal.
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