Insta–DART (Daily Aptitude and Reasoning Test) 9 February 2021

Insta–DART (Daily Aptitude and Reasoning Test) 2020 - 21

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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

Raju can do 25% of a piece of work in 5 days. How many days will he take to complete the work ten times?

Correct

Answer : c

He will complete the work in 20 days. Hence, he will complete ten times the work in 200 days.

Incorrect

Answer : c

He will complete the work in 20 days. Hence, he will complete ten times the work in 200 days.

Question 2 of 5

2. Question

6 men can do a piece of work in 12 days. How many men are needed to do the work in 18 days.

Correct

Answer : c

6 men for 12 days means 72 man days. This would be equal to 4 men for 18 days.

Incorrect

Answer : c

6 men for 12 days means 72 man days. This would be equal to 4 men for 18 days.

Question 3 of 5

3. Question

A can do a piece of work in 20 days and B c can do it in 15 days. How long will they take if both work together?

Correct

Answer : b

A’s one day work will be 5% , while B will do 6.66 of the work in one day. Hence, their total work will be 11.66% in a day.

In 8 days they will complete → 11.66 x 8 = 93.33% This will leave 6.66% of the work. This will correspond to 4/7 of the ninth day since in 6.66/1I.66 both the numerator and the denominator are divisible by 1.66.

Incorrect

Answer : b

A’s one day work will be 5% , while B will do 6.66 of the work in one day. Hence, their total work will be 11.66% in a day.

In 8 days they will complete → 11.66 x 8 = 93.33% This will leave 6.66% of the work. This will correspond to 4/7 of the ninth day since in 6.66/1I.66 both the numerator and the denominator are divisible by 1.66.

Question 4 of 5

4. Question

Nishu and Archana can do a piece of work in 10 days and Nishu alone can do it in 12 days. In how many days can Archana do it alone?

Correct

Answer : a

Nishu + Archana = 10%

Nishu = 8.33%

Hence Archana = 1.66% → 60 days.

Incorrect

Answer : a

Nishu + Archana = 10%

Nishu = 8.33%

Hence Archana = 1.66% → 60 days.

Question 5 of 5

5. Question

Baba alone can do a piece of work in 10 days. Anshu alone can do it in 15 days. If the total wages for the work is 50. How much should Baba be paid if they work together for the entire duration of the Work?

Correct

Answer : a

The ratio of the wages will be the inverse of the ratio of the number of days required by each to do the work. Hence, the correct answer will be 3:2 → 30

Incorrect

Answer : a

The ratio of the wages will be the inverse of the ratio of the number of days required by each to do the work. Hence, the correct answer will be 3:2 → 30

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