UPSC Insta–DART (Daily Aptitude and Reasoning Test) 10 Feb 2025
Kartavya Desk Staff
Considering the alarming importance of CSAT in UPSC CSE Prelims exam and with enormous requests we received recently, InsightsIAS has started Daily CSAT Test to ensure students practice CSAT Questions on a daily basis. Regular Practice would help one overcome the fear of CSAT too.We are naming this initiative as Insta– DART – Daily Aptitude and Reasoning Test. We hope you will be able to use DART to hit bull’s eye in CSAT paper and comfortably score 100+ even in the most difficult question paper that UPSC can give you in CSP-2021. Your peace of mind after every step of this exam is very important for us.
Looking forward to your enthusiastic participation (both in sending us questions and solving them on daily basis on this portal).
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• Question 1 of 5 1. Question Which of the following methods can enhance microbial plastic degradation? (a) 2879 (b) 2889 (c) 2899 (d) 2869 Correct Answer: B Explanation: Consider, Because, Total numbers = 10000 & 4 digits are there in each of these numbers. therefore, Total digits = 40000 Because, every digit has been used equal number of times in this arrangement. therefore, each digit has came = 40000/10 = 4000 times Now, remove extra zeroes. So, zero will appear for: 4000 – 4 – 27 – 180 – 900 = 2889 times Hence, option (b) is the correct answer Incorrect Answer: B Explanation: Consider, Because, Total numbers = 10000 & 4 digits are there in each of these numbers. therefore, Total digits = 40000 Because, every digit has been used equal number of times in this arrangement. therefore, each digit has came = 40000/10 = 4000 times Now, remove extra zeroes. So, zero will appear for: 4000 – 4 – 27 – 180 – 900 = 2889 times Hence, option (b) is the correct answer
#### 1. Question
Which of the following methods can enhance microbial plastic degradation?
Explanation:
Because, Total numbers = 10000 & 4 digits are there in each of these numbers.
therefore, Total digits = 40000
Because, every digit has been used equal number of times in this arrangement.
therefore, each digit has came = 40000/10 = 4000 times
Now, remove extra zeroes.
So, zero will appear for: 4000 – 4 – 27 – 180 – 900 = 2889 times Hence, option (b) is the correct answer
Explanation:
Because, Total numbers = 10000 & 4 digits are there in each of these numbers.
therefore, Total digits = 40000
Because, every digit has been used equal number of times in this arrangement.
therefore, each digit has came = 40000/10 = 4000 times
Now, remove extra zeroes.
So, zero will appear for: 4000 – 4 – 27 – 180 – 900 = 2889 times Hence, option (b) is the correct answer
• Question 2 of 5 2. Question Every scientist, who is a part of the Convention, belongs to India. No scientist in the Convention is from Bihar. Only the scientists from Bihar have an expertise in the field of nuclear research. If the information given above is true, which of the following must also be true? (a) No Indian scientist is from Bihar. (b) All scientists from Bihar are experts in the field of nuclear research. (c) Some Indian scientists are not experts in the field of nuclear research. (d) No Indian scientist is an expert in the field of nuclear research. Correct Answer: C Explanation: From above diagram we can conclude that, Some Indian scientists are not experts in the field of nuclear research. Hence option (c) is the correct answer. Incorrect Answer: C Explanation: From above diagram we can conclude that, Some Indian scientists are not experts in the field of nuclear research. Hence option (c) is the correct answer.
#### 2. Question
Every scientist, who is a part of the Convention, belongs to India. No scientist in the Convention is from Bihar. Only the scientists from Bihar have an expertise in the field of nuclear research. If the information given above is true, which of the following must also be true?
• (a) No Indian scientist is from Bihar.
• (b) All scientists from Bihar are experts in the field of nuclear research.
• (c) Some Indian scientists are not experts in the field of nuclear research.
• (d) No Indian scientist is an expert in the field of nuclear research.
Explanation:
From above diagram we can conclude that, Some Indian scientists are not experts in the field of nuclear research. Hence option (c) is the correct answer.
Explanation:
From above diagram we can conclude that, Some Indian scientists are not experts in the field of nuclear research. Hence option (c) is the correct answer.
• Question 3 of 5 3. Question In a cricket season, India defeated Australia twice, Pakistan defeated India twice, Australia defeated Pakistan twice, India defeated New Zealand twice and Pakistan defeated New Zealand twice. Which of the following statements is true? (a) India won only 2 matches in the season. (b) Australia won only 4 matches in the season. (c) Pakistan won 4 and lost 2 matches in the season. (d) India lost 4 and won 2 matches in the season. Correct Answer: C Explanation: Pakistan has defeated India and New Zealand twice each and hence, they have won four matches. They lost to Australia twice and hence, they have lost 2 matches. So, it can be concluded that Pakistan has won 4 and lost 2 matches Hence, option (c) is correct answer. India has won 4 matches and hence, option (a) is incorrect. Australia has defeated Pakistan twice and has been defeated by India twice hence, it cannot be concluded that they have won 4 matches (Option b). Option (d) is also incorrect, as India has won four matches Incorrect Answer: C Explanation: Pakistan has defeated India and New Zealand twice each and hence, they have won four matches. They lost to Australia twice and hence, they have lost 2 matches. So, it can be concluded that Pakistan has won 4 and lost 2 matches Hence, option (c) is correct answer. India has won 4 matches and hence, option (a) is incorrect. Australia has defeated Pakistan twice and has been defeated by India twice hence, it cannot be concluded that they have won 4 matches (Option b). Option (d) is also incorrect, as India has won four matches
#### 3. Question
In a cricket season, India defeated Australia twice, Pakistan defeated India twice, Australia defeated Pakistan twice, India defeated New Zealand twice and Pakistan defeated New Zealand twice. Which of the following statements is true?
• (a) India won only 2 matches in the season.
• (b) Australia won only 4 matches in the season.
• (c) Pakistan won 4 and lost 2 matches in the season.
• (d) India lost 4 and won 2 matches in the season.
Explanation:
• Pakistan has defeated India and New Zealand twice each and hence, they have won four matches. They lost to Australia twice and hence, they have lost 2 matches. So, it can be concluded that Pakistan has won 4 and lost 2 matches Hence, option (c) is correct answer.
• India has won 4 matches and hence, option (a) is incorrect.
• Australia has defeated Pakistan twice and has been defeated by India twice hence, it cannot be concluded that they have won 4 matches (Option b).
• Option (d) is also incorrect, as India has won four matches
Explanation:
• Pakistan has defeated India and New Zealand twice each and hence, they have won four matches. They lost to Australia twice and hence, they have lost 2 matches. So, it can be concluded that Pakistan has won 4 and lost 2 matches Hence, option (c) is correct answer.
• India has won 4 matches and hence, option (a) is incorrect.
• Australia has defeated Pakistan twice and has been defeated by India twice hence, it cannot be concluded that they have won 4 matches (Option b).
• Option (d) is also incorrect, as India has won four matches
• Question 4 of 5 4. Question If today the price of an item is Rs. 3,500, what was the price of the item exactly 3 years ago? Statement I: Today the price of the item is exactly 1.331 times its price exactly 3 years ago. Statement II: The price of the item increased consecutively by 10% for 3 years. a) If statement I alone is sufficient, but statement II alone is not sufficient, mark (a). b) If statement II alone is sufficient, but statement I alone is not sufficient, mark (b). c) If both the statements, I and II together, are sufficient, but neither statements alone is sufficient, mark (c). d) Each statement, I or II, alone is sufficient, mark (d). Correct Answer: D Statement 1: 1.331× CP = SP CP = SP/1.331 Statement 2: CP × (1.1)^3 = SP CP = SP/(1.1)^3 = CP = SP/1.331 (CP means Cost Price; SP means Sale Price). Each statement alone sufficient. Hence option (d) is correct answer. Incorrect Answer: D Statement 1: 1.331× CP = SP CP = SP/1.331 Statement 2: CP × (1.1)^3 = SP CP = SP/(1.1)^3 = CP = SP/1.331 (CP means Cost Price; SP means Sale Price). Each statement alone sufficient. Hence option (d) is correct answer.
#### 4. Question
If today the price of an item is Rs. 3,500, what was the price of the item exactly 3 years ago?
Statement I: Today the price of the item is exactly 1.331 times its price exactly 3 years ago.
Statement II: The price of the item increased consecutively by 10% for 3 years.
• a) If statement I alone is sufficient, but statement II alone is not sufficient, mark (a).
• b) If statement II alone is sufficient, but statement I alone is not sufficient, mark (b).
• c) If both the statements, I and II together, are sufficient, but neither statements alone is sufficient, mark (c).
• d) Each statement, I or II, alone is sufficient, mark (d).
Statement 1:
1.331× CP = SP
CP = SP/1.331
Statement 2:
CP × (1.1)^3 = SP
CP = SP/(1.1)^3 = CP = SP/1.331
(CP means Cost Price; SP means Sale Price). Each statement alone sufficient. Hence option (d) is correct answer.
Statement 1:
1.331× CP = SP
CP = SP/1.331
Statement 2:
CP × (1.1)^3 = SP
CP = SP/(1.1)^3 = CP = SP/1.331
(CP means Cost Price; SP means Sale Price). Each statement alone sufficient. Hence option (d) is correct answer.
• Question 5 of 5 5. Question Find the investment of a shopkeeper on 200 antique pieces in Rupees. Statement I: Out of 200 pieces, 38 were broken and he sold the remaining at Rs. 480 per piece. Statement II: He gained 8% on the investment. a) If statement I alone is sufficient, but statement II alone is not sufficient, mark (a). b) If statement II alone is sufficient, but statement I alone is not sufficient, mark (b). c) If both the statements, I and II together, are sufficient, but neither statements alone is sufficient, mark (c). d) Each statement, I or II, alone is sufficient, mark (d). Correct Answer: C Statement 1: SP = (200-38) × 480 Statement 2: CP × 1.08 = SP Using both equations, the CP can be calculated. (CP means Cost Price; SP means Sale Price). So both statements are necessary to answer the question. Hence option (c) is correct answer. Incorrect Answer: C Statement 1: SP = (200-38) × 480 Statement 2: CP × 1.08 = SP Using both equations, the CP can be calculated. (CP means Cost Price; SP means Sale Price). So both statements are necessary to answer the question. Hence option (c) is correct answer.
#### 5. Question
Find the investment of a shopkeeper on 200 antique pieces in Rupees.
Statement I: Out of 200 pieces, 38 were broken and he sold the remaining at Rs. 480 per piece.
Statement II: He gained 8% on the investment.
• a) If statement I alone is sufficient, but statement II alone is not sufficient, mark (a).
• b) If statement II alone is sufficient, but statement I alone is not sufficient, mark (b).
• c) If both the statements, I and II together, are sufficient, but neither statements alone is sufficient, mark (c).
• d) Each statement, I or II, alone is sufficient, mark (d).
Statement 1:
SP = (200-38) × 480
Statement 2:
CP × 1.08 = SP
Using both equations, the CP can be calculated. (CP means Cost Price; SP means Sale Price). So both statements are necessary to answer the question. Hence option (c) is correct answer.
Statement 1:
SP = (200-38) × 480
Statement 2:
CP × 1.08 = SP
Using both equations, the CP can be calculated. (CP means Cost Price; SP means Sale Price). So both statements are necessary to answer the question. Hence option (c) is correct answer.
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