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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).
Wish you all the best ! 🙂
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Question 1 of 5
1. Question
A motor boat travels upstream from A to B and downstream from B to A in 9 hours. If the speed of the motor boat in still water is 9 kmph and the speed of the current is 3 kmph then what is the half of the distance between A and B?
Correct
Answer : C
Explanation : Speed downstream = (9 + 3) kmph = 12 kmph Speed upstream = (9 – 3) km/hr = 6km/hr Let the distance AB = d km Then, d/6 + d/12 = 9 hours ⇒ 2d + d = 108 ⇒ d = 36 Distance AB = 36 km Half of the distance = 18 Km
Incorrect
Answer : C
Explanation : Speed downstream = (9 + 3) kmph = 12 kmph Speed upstream = (9 – 3) km/hr = 6km/hr Let the distance AB = d km Then, d/6 + d/12 = 9 hours ⇒ 2d + d = 108 ⇒ d = 36 Distance AB = 36 km Half of the distance = 18 Km
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Question 2 of 5
2. Question
Vijay lends Rs 30,000 to two of his friends for 1 year. He gives Rs 15,000 to the first friend Praveen at 6% p.a. simple interest. He wants to make a profit of 20% on the whole. The simple interest rate at which he should lend the remaining sum of money to the second friend, Rahul is
Correct
Answer : D
Explanation : S.I. on Rs 15000 = (15000×6×1)/100 = Rs. 900 Profit to made on Rs 30000 = 30000×20/100=Rs 6000 S.I.on Rs.15000 = 6000-900 = Rs.5100 Rate=(S.I.* 100)/(P * T) = (5100×100)/15000 = 34% per annum
Incorrect
Ans: (b)
Explanation:’
- Only statement 3 is correct
- The Digital India programme is centred on three key vision areas:
- Digital Infrastructure as a Core Utility to Every Citizen
- Governance and Services on Demand
- Digital Empowerment of Citizens
- Source: https://www.insightsonindia.com/2015/07/02/lok-sabha-tv-insights-transformation-by-digital-india-a-detailed-article-on-digital-india-program/
Refer: https://www.insightsonindia.com/2022/07/07/governance-digitization-for-an-inclusive-society/
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Question 3 of 5
3. Question
The ratio of jobs done by 30 girls to the job done by 25 boys, in the same time period is 5:6. If 9 girls and 10 boys can finish a job in 40/13 days. Then how many girls are required to complete the job in 6 days?
Correct
Answer : C
Explanation: Ratio of efficiency = 5*5/6 : 6 = 25 : 36 A man can finish the job in 25x days A woman can finish the job in 36x days 9/36x + 10/25x = 13/40 Time taken by 1 girl = 72 days 72/6 = 12
Incorrect
Answer : C
Explanation: Ratio of efficiency = 5*5/6 : 6 = 25 : 36 A man can finish the job in 25x days A woman can finish the job in 36x days 9/36x + 10/25x = 13/40 Time taken by 1 girl = 72 days 72/6 = 12
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Question 4 of 5
4. Question
Vishal rides on a bike to a place at a speed of 22 kmph and comes back at a speed of 20 kmph. If the time taken by him in the second case is 36 minutes more than that of the first case, what is the total distance travelled by him (in km)?
Correct
Answer : B
Explanation: Let the distance travelled by Vishal in first case or second case = x km x/20 = x/22 + 36 min => x/20 = x/22 + 3/5 hours => x = 132 km.
Hence, the total distance travelled by him = x + x = 132 + 132 = 264 km
Incorrect
Answer : B
Explanation: Let the distance travelled by Vishal in first case or second case = x km x/20 = x/22 + 36 min => x/20 = x/22 + 3/5 hours => x = 132 km.
Hence, the total distance travelled by him = x + x = 132 + 132 = 264 km
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Question 5 of 5
5. Question
There are 5 Pink bowls, 4 Purple bowls and 3 Brown bowls in a basket. Four bowls are chosen at random. Quantity 1: The probability of being 2 Pink and 2 Purple bowl. Quantity 2: The probability of being 2 Pink, 1 Purple & 1 Brown.
Correct
Answer : B
Explanation: Quantity 1 = (5c2 * 4c2)/12c4 = 60/495=4/33 Quantity 2 = (5c2 * 4c1 *3c1)/12c4 =120/95=8/33 Hence Quantity 1 < Quantity 2
Incorrect
Answer : B
Explanation: Quantity 1 = (5c2 * 4c2)/12c4 = 60/495=4/33 Quantity 2 = (5c2 * 4c1 *3c1)/12c4 =120/95=8/33 Hence Quantity 1 < Quantity 2
