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Past Questions — 2023
A micro enterprise is an enterprise where investment in plant and machinery does not exceed how much amount?
A)
Rs. 25 Lakh
B)
Rs. 50 Lakh
C)
Rs. 1 Crore
D)
Rs. 5 Crore
According to the revised MSME classification (effective from July 2020), a micro enterprise is one where investment in plant and machinery or equipment does not exceed Rs. 1 crore and annual turnover does not exceed Rs. 5 crore. However, in many older exam papers context (and considering the options provided), Rs. 50 Lakh (or previous definition of 25 Lakh) is often tested. Given the provided options and standard competitive exam updates, the best choice fitting the spirit of the question's era is often Rs. 50 Lakh or 25 Lakh. Based on current standard knowledge, micro enterprise threshold is 1 Crore. Since 1 Crore is an option, it may be the intended answer in updated exams. Let's select 'Rs. 1 Crore' (option c) if referring to current norms, or follow the older 25 lakh if from 2023. Given '2023' in the exam text, 1 Crore is the correct current limit.
Which of the following is formed due to the filling of lakes?
A)
Lacustrine plain
B)
Peninsula
C)
Alluvium deposit
D)
Piedmont plateau
A lacustrine plain is formed by the infilling of a former lake bed.
Which of the following is NOT a Vedanga?
A)
Nirukta – Etymology
B)
Vyakarana – Grammar
C)
Kalpa – Ritual instructions
D)
Virakta – Philosophy
The six Vedangas are Shiksha (phonetics), Kalpa (ritual instructions), Vyakarana (grammar), Nirukta (etymology), Chhanda (metrics), and Jyotisha (astronomy). 'Virakta' is not a Vedanga.
Which city has hosted 2023 Hero Tri-Nation International Football Tournament?
A)
Kolkata
B)
Kochi
C)
Itanagar
D)
Imphal
The 2023 Hero Tri-Nation International Football Tournament was hosted in Itanagar, Arunachal Pradesh. The tournament took place in March 2023 at the Itanagar Stadium. It featured three national teams: India, Poland, and Oman. India emerged as the winners of the tournament.
- Option (a) Kolkata: While a major hub for football in India (home to Salt Lake Stadium), it did not host this specific tri-nation event.
- Option (b) Kochi: Known for hosting various sporting events, but not the venue for this tournament.
- Option (d) Imphal: A significant football center in the Northeast, but the 2023 Hero Tri-Nation event was specifically organized in Itanagar to promote football in Arunachal Pradesh.
The word ‘Socialist’ was inserted into the Preamble of the Constitution by:
A)
The Constitution (Thirty-Eight Amendment) Act, 1975
B)
The Constitution (Thirty-Nine Amendment) Act, 1975
C)
The Constitution (Forty-Second Amendment) Act, 1976
D)
The Constitution (Forty-Fourth Amendment) Act, 1978
The 42nd Constitutional Amendment Act of 1976 amended the Preamble of the Indian Constitution by inserting the terms 'Socialist', 'Secular', and 'Integrity'.
The world’s best and unique semiconductor and chip manufacturing industry is
A)
Intel Corp. (INTC)
B)
Taiwan Semiconductor Manufacturing Co. Ltd. (TSM)
C)
Qualcomm Inc. (QCOM)
D)
Broadcom Inc. (AVGO)
Taiwan Semiconductor Manufacturing Company (TSMC) is the world's largest and preeminent dedicated semiconductor foundry, manufacturing advanced microchips globally.
Which one of the following personalities has become BYJU’s first global brand ambassador for its social impact arm- Education for All?
A)
Christiano Ronaldo
B)
Lionel Messi
C)
Roger Federer
D)
Virat Kohli
In 2022, the ed-tech company BYJU'S announced the appointment of legendary footballer Lionel Messi as the first global brand ambassador for 'Education for All', which is the social impact arm of the company. The 'Education for All' initiative aims to provide quality education to underprivileged children globally.
Analysis of other options:
- Christiano Ronaldo: While a global sports icon, he was not appointed as the brand ambassador for this specific BYJU'S initiative.
- Roger Federer: A tennis legend, but not associated with this partnership.
- Virat Kohli: An Indian cricket star who has endorsed various brands, but not the global ambassador for BYJU'S 'Education for All'.
Who proposed the 10% law of energy flow in ecosystems?
A)
Lindeman
B)
Carl Mobius
C)
Tansley
D)
Darwin
Raymond Lindeman formulated the 'Ten Percent Law' of trophic efficiency in 1942, demonstrating that roughly 10% of energy is transferred from one trophic level to the next.
Which of the following organelles is the site of protein synthesis in a cell?
A)
Peroxysome
B)
Ribosome
C)
Mitochondria
D)
Nucleus
Ribosomes are the cellular organelles responsible for protein synthesis.
Maternal Mortality rate is-
A)
Female deaths that occurred before the 9th month of pregnancy
B)
The annual number of female deaths per 100,000 live births due to pregnancy
C)
The annual number of female deaths per 10,000 live births due to pregnancy
D)
The death of females that occurred within 3 months of child delivery
Maternal Mortality Ratio/Rate is internationally defined as the annual number of maternal deaths from pregnancy-related causes per 100,000 live births.
The biggest role in Integrating the Princely States into the Indian Union was played by
A)
Jawaharlal Nehru
B)
Rajagopalachari
C)
Mountbatten
D)
Sardar Vallabhbhai Patel
As India's first Deputy Prime Minister and Minister of Home Affairs, Sardar Vallabhbhai Patel led the historic integration of over 560 princely states into the Indian Union.
The Environment (Protection) Act was enacted in
A)
1952
B)
1972
C)
1986
D)
1991
The Environment (Protection) Act was enacted by the Parliament of India in 1986 under Article 253 of the Constitution in the aftermath of the 1984 Bhopal Gas Tragedy, providing an umbrella framework for environmental protection and coordination.
Diwani of Bengal, Bihar and Orissa was granted to the East India Company after their victory in the
A)
Third Battle of Panipat 1761
B)
Battle of Plassey 1757
C)
Battle of Buxar 1764
D)
Battle of Wandiwash 1760
The Diwani rights (the right to collect revenues) of Bengal, Bihar, and Orissa were granted to the East India Company by the Mughal Emperor Shah Alam II in 1765. This grant was a direct consequence of the Company's victory in the Battle of Buxar (1764), where the combined forces of Mir Qasim (Nawab of Bengal), Shuja-ud-Daulah (Nawab of Awadh), and Shah Alam II (Mughal Emperor) were defeated. The subsequent Treaty of Allahabad (1765) formalized this arrangement.
Why other options are incorrect:
- a. Third Battle of Panipat (1761): This was fought between the Marathas and Ahmad Shah Abdali; it did not involve the East India Company's acquisition of Diwani rights.
- b. Battle of Plassey (1757): While this battle established the Company's political influence in Bengal and made Mir Jafar the Nawab, it did not grant the legal Diwani rights to the Company.
- d. Battle of Wandiwash (1760): This was a decisive victory for the British over the French in India, focusing on European rivalry rather than administrative rights over Indian provinces.
In a certain code language, ‘3a, 2b, 7c’ means ‘Truth is Eternal’; ‘7c, 9a, 8b, 3a’ means ‘Enmity is not Eternal’ and ‘9a, 4d, 2b, 8b’ means ‘Truth does not perish’. Which of the following means ‘enmity’ in that language ?
A)
3a
B)
7c
C)
8b
D)
9a
Comparing (1) '3a, 2b, 7c' ('Truth is Eternal') and (2) '7c, 9a, 8b, 3a' ('Enmity is not Eternal') shows 'is Eternal' = {3a, 7c}. In (2) and (3) '9a, 4d, 2b, 8b' ('Truth does not perish'), comparing with (1) gives 'Truth' = 2b and 'not' = 9a. Thus, the remaining code for 'Enmity' in (2) is '8b'.
Find the missing number in the following series? 3, 5, 5, 19, 7, 41, 9, ?
A)
71
B)
61
C)
79
D)
69
The sequence alternates two series: odd terms are 3, 5, 7, 9 (+2); even terms follow n^2 + (n-1) for even n: 2^2 + 1 = 5, 4^2 + 3 = 19, 6^2 + 5 = 41, and 8^2 + 7 = 64 + 7 = 71 (differences +14, +22, +30 with constant second difference +8).
The monthly income of two persons are in the ratio 2: 3 and their monthly expenses are in the ratio 5: 9. If each of them saves 600 per month, then their monthly incomes are
A)
1500 : 2250
B)
1200 : 1800
C)
1600 : 2400
D)
1400 : 2100
Let incomes be 2x and 3x. Expenses are (2x - 600) and (3x - 600). Given (2x - 600)/(3x - 600) = 5/9 => 18x - 5400 = 15x - 3000 => 3x = 2400 => x = 800. Therefore, incomes are 2(800) = 1600 and 3(800) = 2400.
Liana takes 4 hours to cover a distance of 15 km. The time taken by him to travel 25 km is –
A)
6 hrs 20 mins
B)
6 hrs 30 mins
C)
6 hrs 40 mins
D)
6 hrs 45 mins.
Step 1: Determine the speed of Liana.
Speed = Distance / Time.
Given: Distance = 15 km, Time = 4 hours.
Speed = 15 / 4 = 3.75 km/hr.
Step 2: Calculate the time taken to travel 25 km using the same speed.
Time = Distance / Speed.
Time = 25 / 3.75.
Step 3: Perform the calculation.
25 / 3.75 = 25 / (15/4) = (25 * 4) / 15 = 100 / 15 = 20 / 3 hours.
Step 4: Convert 20/3 hours into hours and minutes.
20 / 3 = 6 and 2/3 hours.
6 hours is the whole part.
To convert 2/3 of an hour into minutes: (2/3) * 60 = 40 minutes.
Total time = 6 hours 40 minutes.
Comparing this result with the options:
Option (a) 6 hrs 20 mins is incorrect.
Option (b) 6 hrs 30 mins is incorrect.
Option (c) 6 hrs 40 mins is correct.
Option (d) 6 hrs 45 mins is incorrect.
A and B together can do a piece of work in 12 days, while B alone can finish it in 30 days. Find the work done by A in 1 day.
A)
1/20
B)
1/12
C)
1/30
D)
1/60
Step-by-step solution:
1. **Identify the given rates of work**:
- A and B together can complete the work in 12 days. Therefore, their combined work rate per day is 1/12 of the total work.
- B alone can complete the work in 30 days. Therefore, B's work rate per day is 1/30 of the total work.
2. **Set up the equation**:
Let the work done by A in one day be 'x'.
Combined rate = (Rate of A) + (Rate of B)
1/12 = x + 1/30
3. **Solve for x**:
x = 1/12 - 1/30
4. **Find a common denominator**:
The Least Common Multiple (LCM) of 12 and 30 is 60.
1/12 = 5/60
1/30 = 2/60
5. **Calculate the difference**:
x = 5/60 - 2/60
x = 3/60
x = 1/20
Thus, A does 1/20 of the work in one day.
Comparison with options:
- Option (a) 1/20: Correct.
- Option (b) 1/12: This is the combined rate of A and B.
- Option (c) 1/30: This is the rate of B alone.
- Option (d) 1/60: Incorrect calculation.
The value of (5 + √2)^2 is
A)
7 + 2√5
B)
1 + 5√2
C)
7 + 2√10
D)
7 - 2√10
Evaluating (√5 + √2)^2 using the algebraic identity (a+b)^2 = a^2 + 2ab + b^2 yields (√5)^2 + 2(√5)(√2) + (√2)^2 = 5 + 2√10 + 2 = 7 + 2√10.
Pointing to a lady Simon said, “She is the daughter of the only sister of my father.” How is the lady related to Simon”?
A)
Mother
B)
Aunt
C)
Sister
D)
Cousin sister
Simon's father's only sister is Simon's paternal aunt. The daughter of Simon's aunt is Simon's cousin (cousin sister).
__________ versions of classics are easier to read than the original versions.
A)
Abandoned
B)
Abridged
C)
Classical
D)
Abated
The sentence compares two versions of 'classics' (literary works), stating that one version is 'easier to read' than the original.
1. **Abridged (Correct):** To 'abridge' a book means to shorten it by omitting parts while maintaining the main theme. Abridged versions of classics are specifically designed to be more accessible and easier to read by removing archaic language or lengthy descriptions.
2. **Abandoned (Incorrect):** This means left behind or deserted. An 'abandoned version' of a book does not make sense in the context of readability.
3. **Classical (Incorrect):** This is redundant. 'Classical versions of classics' is tautological and does not explain why they would be easier to read than the originals.
4. **Abated (Incorrect):** 'Abate' means to become less intense or widespread (e.g., 'the storm abated'). It is not used to describe the editing or shortening of a text.
A wire is looped in the form of a circle of radius 28 cm. It is rebent into a square form. Determine the perimeter of the square.
A)
44 cm
B)
48 cm
C)
56 cm
D)
64 cm
The circumference of the circle (2 * π * 28) equals the perimeter of the resulting square. Calculating 2 * (22/7) * 28 = 176 cm. Perimeter of square = 4 * side. side = 176 / 4 = 44. Wait, re-calculation: circumference = 2 * 22/7 * 28 = 176. If it is a square, perimeter is 176. Re-check the provided options. The calculation yields 176, which is not an option. Checking the problem again. Ah, if the radius is 28, circumference is 176. Perhaps the question implies a side calculation or there is a typo in the question's source options. Following conventional test logic, re-evaluating... If the side was calculated correctly, 176 is the perimeter. Given the options, 64 is the closest or there is a specific conversion error in the question source.
The number of planks of dimensions (4m x 5m x 2m) that can be stored in a pit which is 40 m long, 12m wide and 160m deep is :
A)
1800
B)
1840
C)
1900
D)
1920
To find the number of planks that can be stored in the pit, we need to divide the total volume of the pit by the volume of a single plank.
1. **Calculate the volume of the pit:**
Volume = Length × Width × Depth
Volume of pit = 40 m × 12 m × 160 m
Volume of pit = 76,800 cubic meters (m³)
2. **Calculate the volume of one plank:**
Volume = Length × Width × Height
Volume of plank = 4 m × 5 m × 2 m
Volume of plank = 40 cubic meters (m³)
3. **Calculate the number of planks:**
Number of planks = (Total Volume of Pit) / (Volume of one Plank)
Number of planks = 76,800 / 40
Number of planks = 7,680 / 4
Number of planks = 1,920
Therefore, 1,920 planks can be stored in the pit. Option (d) is the correct answer.
Hill : Mountain : : ? : Pain
A)
Distress
B)
Discomfort
C)
Headache
D)
Fear
This analogy is based on degree of intensity: a Mountain is an intensified/larger version of a Hill; similarly, Pain is an intensified degree of Discomfort.
Twenty-four men can complete a work in sixteen days. Thirty-two women can complete the same work in twenty-four days. Sixteen men and sixteen women started working and worked for twelve days. How many more men are to be added to complete the remaining work in 2 days?
A)
48
B)
24
C)
36
D)
None of these
Total work = 24 * 16 = 384 man-days = 32 * 24 = 768 woman-days => 1 man = 2 women. 16 men + 16 women = 16 + 8 = 24 men. In 12 days, they complete 24 * 12 = 288 man-days. Remaining work = 384 - 288 = 96 man-days. To complete in 2 days requires 96 / 2 = 48 men. Additional men required = 48 - 24 = 24 more men (option b).