UPSC Insta–DART (Daily Aptitude and Reasoning Test) 17 Jan 2026

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 With reference to the above passage, consider the following assumptions: Transport systems designed without community input may fail to meet commuter needs. Environmental sustainability in cities depends significantly on reducing reliance on private vehicles. Technological solutions alone can address the structural causes of urban transport challenges. Which of the above assumptions is/are valid? (a) 1 and 2 only (b) 2 and 3 only (c) 1 and 3 only (d) 1, 2 and 3 Correct Answer: (a) Explanation: Assumption 1: Valid — the passage explicitly states that policies lacking commuter understanding risk being inequitable or underutilised. Assumption 2: Valid — moving toward sustainable, people-centric mobility implies reducing dependency on private vehicles. Assumption 3: Not valid — the passage critiques reliance on isolated technological fixes such as flyovers or traffic systems. Thus, the correct answer is (a). Incorrect Answer: (a) Explanation: Assumption 1: Valid — the passage explicitly states that policies lacking commuter understanding risk being inequitable or underutilised. Assumption 2: Valid — moving toward sustainable, people-centric mobility implies reducing dependency on private vehicles. Assumption 3: Not valid — the passage critiques reliance on isolated technological fixes such as flyovers or traffic systems. Thus, the correct answer is (a).

#### 1. Question

With reference to the above passage, consider the following assumptions:

• Transport systems designed without community input may fail to meet commuter needs.

• Environmental sustainability in cities depends significantly on reducing reliance on private vehicles.

• Technological solutions alone can address the structural causes of urban transport challenges.

Which of the above assumptions is/are valid?

• (a) 1 and 2 only

• (b) 2 and 3 only

• (c) 1 and 3 only

• (d) 1, 2 and 3

Answer: (a)

Explanation:

• Assumption 1: Valid — the passage explicitly states that policies lacking commuter understanding risk being inequitable or underutilised.

• Assumption 2: Valid — moving toward sustainable, people-centric mobility implies reducing dependency on private vehicles.

• Assumption 3: Not valid — the passage critiques reliance on isolated technological fixes such as flyovers or traffic systems.

Thus, the correct answer is (a).

Answer: (a)

Explanation:

• Assumption 1: Valid — the passage explicitly states that policies lacking commuter understanding risk being inequitable or underutilised.

• Assumption 2: Valid — moving toward sustainable, people-centric mobility implies reducing dependency on private vehicles.

• Assumption 3: Not valid — the passage critiques reliance on isolated technological fixes such as flyovers or traffic systems.

Thus, the correct answer is (a).

• Question 2 of 5 2. Question Consider the following statements and a question: Question: What is the total number of persons in a queue if P and Q are among them? Statement I: P is 5th from the front of the queue, and there are 6 persons between P and Q. Statement II: Q is 8th from the back of the queue. Which one of the following is correct in respect of the Statements and the Question? a) Statement I alone is sufficient b) Statement II alone is sufficient c) Both statements together are not sufficient d) Both statements together are sufficient Correct Incorrect

#### 2. Question

Consider the following statements and a question:

Question: What is the total number of persons in a queue if P and Q are among them?

Statement I: P is 5th from the front of the queue, and there are 6 persons between P and Q. Statement II: Q is 8th from the back of the queue.

Which one of the following is correct in respect of the Statements and the Question?

• a) Statement I alone is sufficient

• b) Statement II alone is sufficient

• c) Both statements together are not sufficient

• d) Both statements together are sufficient

• Question 3 of 5 3. Question A company has 8 data analysts and 5 project managers. In how many ways can they be seated in a row so that all 5 project managers always sit together? a) 12! × 5! b) 13! × 5! c) 9! × 5! d) 8! × 5! Correct Incorrect

#### 3. Question

A company has 8 data analysts and 5 project managers. In how many ways can they be seated in a row so that all 5 project managers always sit together?

• a) 12! × 5!

• b) 13! × 5!

• c) 9! × 5!

• d) 8! × 5!

• Question 4 of 5 4. Question Find the sum of all the 4-digit numbers that can be formed with the digits 6, 6, 2, 9. (a) 76659 (b) 92334 (c) 63234 (d) None of these Correct Incorrect

#### 4. Question

Find the sum of all the 4-digit numbers that can be formed with the digits 6, 6, 2, 9.

• (d) None of these

• Question 5 of 5 5. Question The principal of a school wants to arrange all the chairs in the auditorium in equal rows. If he arranges 18 chairs in a row, then 11 chairs are left. If he arranges 20 chairs in a row, then 13 chairs are left. If he arranges 24 chairs in a row, then 17 chairs are left. If he arranges 30 chairs in a row, then 23 chairs are left. What is the minimum number of chairs in the school? (a) 341 (b) 347 (c) 353 (d) 359 Correct Answer: (c) Explanation: We can observe that When 18 chairs are arranged ⇒ 11 are left When 20 chairs are arranged ⇒ 13 are left When 24 chairs are arranged ⇒ 17 are left When 30 chairs are arranged ⇒ 23 are left In each case: 18 − 11 = 7 20 − 13 = 7 24 − 17 = 7 30 − 23 = 7 So, there is a difference of 7 in each case. This implies the effective remainder is 7 in each case. So, the minimum number of chairs can be found by taking Minimum number of chairs = 360 − 7 = 353 Hence, option (c) is the right answer. Incorrect Answer: (c) Explanation: We can observe that When 18 chairs are arranged ⇒ 11 are left When 20 chairs are arranged ⇒ 13 are left When 24 chairs are arranged ⇒ 17 are left When 30 chairs are arranged ⇒ 23 are left In each case: 18 − 11 = 7 20 − 13 = 7 24 − 17 = 7 30 − 23 = 7 So, there is a difference of 7 in each case. This implies the effective remainder is 7 in each case. So, the minimum number of chairs can be found by taking Minimum number of chairs = 360 − 7 = 353 Hence, option (c) is the right answer.

#### 5. Question

The principal of a school wants to arrange all the chairs in the auditorium in equal rows.

• If he arranges 18 chairs in a row, then 11 chairs are left.

• If he arranges 20 chairs in a row, then 13 chairs are left.

• If he arranges 24 chairs in a row, then 17 chairs are left.

• If he arranges 30 chairs in a row, then 23 chairs are left.

What is the minimum number of chairs in the school?

Answer: (c)

Explanation: We can observe that

• When 18 chairs are arranged ⇒ 11 are left

• When 20 chairs are arranged ⇒ 13 are left

• When 24 chairs are arranged ⇒ 17 are left

• When 30 chairs are arranged ⇒ 23 are left

In each case: 18 − 11 = 7 20 − 13 = 7 24 − 17 = 7 30 − 23 = 7

So, there is a difference of 7 in each case. This implies the effective remainder is 7 in each case.

So, the minimum number of chairs can be found by taking

Minimum number of chairs = 360 − 7 = 353

Hence, option (c) is the right answer.