UPSC Insta–DART (Daily Aptitude and Reasoning Test) 30 Oct 2024

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 Find out the wrong number in the following given number series: 9256 6844 4888 3350 2152 1276 a) 6844 b) 4888 c) 9256 d) 3350 Correct Answer: D Explanation The series is (21)³ – 5 = 9256, (19)³ – 15 = 6844, (17)³ – 25 = 4888, (15)³ – 35 = 3340, (13)³ – 45 = 2152, (11)³ – 55 = 1276 Hence it should be 3340 in place of 3350. Incorrect Answer: D Explanation The series is (21)³ – 5 = 9256, (19)³ – 15 = 6844, (17)³ – 25 = 4888, (15)³ – 35 = 3340, (13)³ – 45 = 2152, (11)³ – 55 = 1276 Hence it should be 3340 in place of 3350.

#### 1. Question

Find out the wrong number in the following given number series:

9256 6844 4888 3350 2152 1276

Explanation

The series is (21)³ – 5 = 9256,

(19)³ – 15 = 6844,

(17)³ – 25 = 4888,

(15)³ – 35 = 3340,

(13)³ – 45 = 2152,

(11)³ – 55 = 1276

Hence it should be 3340 in place of 3350.

Explanation

The series is (21)³ – 5 = 9256,

(19)³ – 15 = 6844,

(17)³ – 25 = 4888,

(15)³ – 35 = 3340,

(13)³ – 45 = 2152,

(11)³ – 55 = 1276

Hence it should be 3340 in place of 3350.

• Question 2 of 5 2. Question What value should come in place of question mark (?) in the following number series? 19, 27, 0 , 64, ? , 155 a) 61 b) 83 c) -23 d) 47 Correct Answer: A Explanation Incorrect Answer: A Explanation

#### 2. Question

What value should come in place of question mark (?) in the following number series?

19, 27, 0 , 64, ? , 155

Explanation

• Question 3 of 5 3. Question Find out the wrong number in the following given number series: 17113, 3853, 1105, 229, 75 a) 17113 b) 3853 c) 75 d) 229 Correct Answer: C Explanation 47+ 36= 16384 + 729 = 17113 46 – 35= 4096 – 243 = 3853 45+ 34= 1024 + 81 = 1105 44– 33= 256 – 27 = 229 43+ 32= 64 + 9 = 73 Incorrect Answer: C Explanation 47+ 36= 16384 + 729 = 17113 46 – 35= 4096 – 243 = 3853 45+ 34= 1024 + 81 = 1105 44– 33= 256 – 27 = 229 43+ 32= 64 + 9 = 73

#### 3. Question

Find out the wrong number in the following given number series:

17113, 3853, 1105, 229, 75

Explanation

47+ 36= 16384 + 729 = 17113

46 – 35= 4096 – 243 = 3853

45+ 34= 1024 + 81 = 1105

44– 33= 256 – 27 = 229

43+ 32= 64 + 9 = 73

Explanation

47+ 36= 16384 + 729 = 17113

46 – 35= 4096 – 243 = 3853

45+ 34= 1024 + 81 = 1105

44– 33= 256 – 27 = 229

43+ 32= 64 + 9 = 73

• Question 4 of 5 4. Question What value should come in place of question mark (?) in the following number series? 122, 62, 32, ?, 9.5, 5.75 a) 19 b) 24 c) 17 d) 20.25 Correct Answer: C Explanation Incorrect Answer: C Explanation

#### 4. Question

What value should come in place of question mark (?) in the following number series?

122, 62, 32, ?, 9.5, 5.75

Explanation

• Question 5 of 5 5. Question Find out the wrong number in the following given number series: 30, 42, 48, 54, 65, 81, 126 a) 33 b) 65 c) 42 d) 58 Correct Answer: B Explanation Solution Hence, 65 is wrong number Incorrect Answer: B Explanation Solution Hence, 65 is wrong number

#### 5. Question

Find out the wrong number in the following given number series:

30, 42, 48, 54, 65, 81, 126

Explanation

Hence, 65 is wrong number

Explanation

Hence, 65 is wrong number

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