10 years ago the ratio of ages of Ramesh and Rajeev was 1:3. Five years hence it will be 2:3. What is their present age ratio?
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Correct answer: (B) 3:5
1 marks · 2023 · Set A
Question 2
Walking from home to the station at 5 km/h, I arrive 7 minutes after my train leaves; at 6 km/h, I arrive 5 minutes before departure. What is the distance to the station?
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Correct answer: (C) 6 km
1 marks · 2023 · Set A
Question 3
The average monthly income of P and Q is ₹5,050; of Q and R, ₹6,250; and of P and R, ₹5,200. What is P’s monthly income?
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Correct answer: (C) ₹4,000
1 marks · 2023 · Set A
Question 4
If 30% of P is added to 40% of Q, the result is 80% of Q. What percentage of P is Q?
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Correct answer: (C) 75%
1 marks · 2023 · Set A
Question 5
Money is distributed among A, B, C and D in the ratio 5:2:4:3. If C receives ₹1,000 more than D, what is B’s share?
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Correct answer: (C) ₹2,000
1 marks · 2023 · Set A
Question 6
A shopkeeper gives a 5% discount on a watch’s selling price. If he gives a 6% discount, his profit is ₹15 less. What is the watch’s marked selling price?
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Correct answer: (B) ₹1,500
1 marks · 2023 · Set A
Question 7
Three numbers are in the ratio 3:4:5. The largest plus the smallest equals the other number plus 52. What is the smallest number?
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Correct answer: (B) 39
1 marks · 2023 · Set A
Question 8
If 2^(2n−1) = 1/8^(n−3), what is n?
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Correct answer: (B) 2
1 marks · 2023 · Set A
Question 9
Which photoelectric device is most suitable for digital applications?
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Correct answer: (A) Photovoltaic cell
1 marks · 2023 · Set A
Question 10
The critical mass of a fissionable material is
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Correct answer: (B) the minimum mass needed for a chain reaction
1 marks · 2023 · Set A
Question 11
Which gas is used to force the ripening of fruits?
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Correct answer: (B) Ethylene
1 marks · 2023 · Set A
Question 12
Which of the following has zero octane number?
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Correct answer: (C) n-octane On the octane scale n-octane is taken as zero and iso-octane as 100. So the fuel of zero octane number is n-octane. The Commission's key answers this ‘None of the above’, but n-octane is itself option 3, and the zero of the octane scale is fixed by it. So the answer is taken as 3 here.
1 marks · 2023 · Set A
Question 13
The edible part of litchis is
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Correct answer: (A) aril The juicy part of a litchi that we eat is the aril, a fleshy growth that develops around the seed.
1 marks · 2023 · Set A
Question 14
The physical process involved in the release of molecular oxygen from leaves is
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Correct answer: (A) diffusion The oxygen made in photosynthesis leaves the leaf through the stomata by diffusion—gases always spread from higher to lower concentration. Transpiration releases water vapour, and osmosis concerns water.
1 marks · 2023 · Set A
Question 15
The process of finding the relative location of genes on a chromosome is called
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Correct answer: (C) gene mapping
1 marks · 2023 · Set A
Question 16
The spore mother cell in bryophytes is
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Correct answer: (B) diploid
1 marks · 2023 · Set A
Question 17
In which year was the National Green Tribunal established by the Government of India to protect the environment and forests?
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Correct answer: (A) 2010
1 marks · 2023 · Set A
Question 18
Which Indian city first started an underwater metro?
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Correct answer: (E) None of the above
1 marks · 2023 · Set A
Question 19
Under India’s G20 Presidency, where was the Tourism Working Group Meeting held?
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Correct answer: (B) Srinagar, Jammu and Kashmir Under India's G20 Presidency the Tourism Working Group Meeting was held at Srinagar in Jammu and Kashmir.
1 marks · 2023 · Set A
Question 20
Who won the silver medal in the National Under-17 Girls Wrestling Championship?
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Correct answer: (B) Nirjala
1 marks · 2023 · Set A
Question 21
Who won the 2022 International Booker Prize for the novel Tomb of Sand?
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Correct answer: (A) Geetanjali Shree and Daisy Rockwell
1 marks · 2023 · Set A
Question 22
Who was the chief guest at India’s 74th Republic Day?
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Correct answer: (B) Abdel Fattah El-Sisi
1 marks · 2023 · Set A
Question 23
In which district of Bihar was the first floating solar power plant built?
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Correct answer: (A) Darbhanga
1 marks · 2023 · Set A
Question 24
Which of the following has received a GI tag in Bihar?
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Correct answer: (A) Maghai Paan Maghai Paan of Bihar carries a Geographical Indication tag, which marks a product as belonging to a particular place by its qualities and reputation.
1 marks · 2023 · Set A
Question 25
Match List I with List II: a. Char; b. Kankar; c. Kayal; d. Mand. List II: 1. Punjab plain; 2. Delta; 3. Bangar; 4. Coastal plain. Choose the correct code.
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Correct answer: (B) a-2, b-3, c-4, d-1
1 marks · 2023 · Set A
Question 26
Which tributary does not join the Brahmaputra River from the north?
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Correct answer: (E) None of the above
1 marks · 2023 · Set A
Question 27
Likhapani Glacier is located in which Indian state?
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Correct answer: (A) Arunachal Pradesh
1 marks · 2023 · Set A
Question 28
The Magadha and Anga plains are parts of the
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Correct answer: (B) middle Ganga plain
1 marks · 2023 · Set A
Question 29
Which pair of waterfall and river is not correctly matched?
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Correct answer: (D) More than one of the above
1 marks · 2023 · Set A
Question 30
Arrange these Indian seaports from north to south: 1. Kakinada; 2. Machilipatnam; 3. Nagapattinam; 4. Visakhapatnam. Choose the correct code.
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Correct answer: (B) 4, 1, 2, 3
1 marks · 2023 · Set A
Question 31
The 1954 Kosi Irrigation and Hydroelectricity Plan Agreement was signed between which two countries?
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Correct answer: (C) India and Nepal
1 marks · 2023 · Set A
Question 32
According to R. L. Singh’s classification scheme, in which climatic division does Bihar fall?
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Correct answer: (B) Subhumid transitional
1 marks · 2023 · Set A
Question 33
At which session of the Indian National Congress was the resolution of ‘Purna Swaraj’ adopted?
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Correct answer: (B) Lahore Session, 1929
1 marks · 2023 · Set A
Question 34
What was an initial objective of the Kuka Movement in Punjab?
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Correct answer: (A) To purify the Sikh religion
1 marks · 2023 · Set A
Question 35
Who described the Revolt of 1857 as the ‘First Indian War of Independence’?
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Correct answer: (A) V. D. Savarkar Vinayak Damodar Savarkar, in his book ‘The Indian War of Independence, 1857’, called the revolt India's first war of independence. R. C. Majumdar disagreed with that view.
1 marks · 2023 · Set A
Question 36
Where was the first instance of organized non-cooperation in the history of Indian peasantry held?
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Correct answer: (A) Bihar and Bengal
1 marks · 2023 · Set A
Question 37
Which portfolio did Dr. Rajendra Prasad hold in the Interim Government of 1946?
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Correct answer: (C) Food and Agriculture
1 marks · 2023 · Set A
Question 38
Who particularly urged Gandhiji to visit Champaran to witness the miseries of the ryots?
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Correct answer: (B) Rajkumar Shukla
1 marks · 2023 · Set A
Question 39
On what date did the Muslim League observe the ‘Day of Deliverance’?
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Correct answer: (A) 22 December 1939
1 marks · 2023 · Set A
Question 40
Who laid the foundation stone of National College and Bihar Vidyapeeth?
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Correct answer: (C) Mahatma Gandhi The foundation stone of the National College and of Bihar Vidyapeeth was laid by Mahatma Gandhi—both were national institutions of education set up during the Non-Cooperation Movement.
1 marks · 2023 · Set A
Question 41
Name the major city of the Indus Valley Civilization that had trade relations with West Asia.
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Correct answer: (E) None of the above
1 marks · 2023 · Set A
Question 42
Of which metal was the dancing girl in Mohenjo-daro made?
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Correct answer: (C) Bronze
1 marks · 2023 · Set A
Question 43
In the Indus Valley Civilization, which animal’s worship has been found?
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Correct answer: (A) Humped bull
1 marks · 2023 · Set A
Question 44
How many Suktas are there in the Rigveda?
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Correct answer: (B) 1017
1 marks · 2023 · Set A
Question 45
Who wrote Kiratarjuniya?
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Correct answer: (E) None of the above
1 marks · 2023 · Set A
Question 46
‘Pur’ in the Vedic period means
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Correct answer: (A) forts
1 marks · 2023 · Set A
Question 47
What is called ‘Takshan’ in the Rigveda?
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Correct answer: (A) Carpenter
1 marks · 2023 · Set A
Question 48
Of which metal were the ‘Kakani’ coins made in the Mauryan period?
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Correct answer: (A) Copper
1 marks · 2023 · Set A
Question 49
By whom was the world’s first Republic established in Vaishali?
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Correct answer: (E) None of the above
1 marks · 2023 · Set A
Question 50
Into how many major chapters is Kautilya’s Arthashastra divided?