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
Eight consecutive numbers are given. If the average of the two numbers that appear in the middle is 6, then the sum of the eight given number is
Correct
Answer : b
Incorrect
Answer : b
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Question 2 of 5
2. Question
The average marks of 30 students are 45 but after checking ,there are two mistakes found. After adjustment, if a student got 45 more marks and other student got 15 less marks, then what will be the adjusted average?
Correct
Answer : b
Incorrect
Answer : b
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Question 3 of 5
3. Question
The average age of 14 girls and their teacher’s age is yr. If teacher’s age is excluded, then the average reduced by
What is the teacher’s age?
Correct
Answer: a
24 m of 14 girls and teachers age = 15 × 15 = 225
Without teachers age, sum of 14 girls age = 14 × 14 = 196
So teachers age = 225 – 196
= 29 years.
Incorrect
Answer: a
24 m of 14 girls and teachers age = 15 × 15 = 225
Without teachers age, sum of 14 girls age = 14 × 14 = 196
So teachers age = 225 – 196
= 29 years.
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Question 4 of 5
4. Question
The average weight of 10 women is increased by 1kg if 2 women of 42kg and 38kg are replaced by 2 men. Find the average weight of both the men.
Correct
Answer: b
Total weight of 2 men = 1×10 + ( 42 + 38 )
= 10 + 20 = 90kg.
So Average weight of 2 men = 90/2 = 45kg.
Incorrect
Answer: b
Total weight of 2 men = 1×10 + ( 42 + 38 )
= 10 + 20 = 90kg.
So Average weight of 2 men = 90/2 = 45kg.
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Question 5 of 5
5. Question
The average age of 5 members of a family is 25 yr. If servant of the family is included, the avg age increases by 40%. What is the age of servant?
Correct
Answer : a
Total age of 5 members = 25 × 25 = 125 years
Total age of 5 members and the servant = ( 25 + 25 × 40/100 ×1×6)
= 35×6
= 210 years
So Age of the servant = 210 – 125
= 85 years
Incorrect
Answer : a
Total age of 5 members = 25 × 25 = 125 years
Total age of 5 members and the servant = ( 25 + 25 × 40/100 ×1×6)
= 35×6
= 210 years
So Age of the servant = 210 – 125
= 85 years
