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
The average weight of 12 parcels is 1.7kg Addition of another new parcel reduces the average weight by 0.1kg.What is weight of new parcel?
Correct
Answer: D
Explanation
Total weight of 12 parcel is=12*1.7=20.4
Average weight of 13 parcel is=1.8-0.1=1.6
Total weight of 13 parcel is=13*1.6=20.8
Weight of the new parcel is=20.8-20.4=0.4
Incorrect
Answer: D
Explanation
Total weight of 12 parcel is=12*1.7=20.4
Average weight of 13 parcel is=1.8-0.1=1.6
Total weight of 13 parcel is=13*1.6=20.8
Weight of the new parcel is=20.8-20.4=0.4
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Question 2 of 5
2. Question
The sum of three consecutive odd numbers is 657. Also average of four consecutive even numbers is 84. What is the sum of smallest odd number and second largest even number?
Correct
Answer: C
Explanation
Let odd numbers is=x+2,x,x-2
So, 3x=657
So, x=657/3=219
Now even number is y,y+2,y+4,y+6
So, 4y=84-12=72
So, y=18
Second largest even is 22
Smallest odd=217
Required sum is=239
Incorrect
Answer: C
Explanation
Let odd numbers is=x+2,x,x-2
So, 3x=657
So, x=657/3=219
Now even number is y,y+2,y+4,y+6
So, 4y=84-12=72
So, y=18
Second largest even is 22
Smallest odd=217
Required sum is=239
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Question 3 of 5
3. Question
5 boys and 4 girls spend Rs.175 on the average. Boys spend Rs.150 on a average then find average amount spend by the girls
Correct
Answer: B
Explanation
5 boys total spend=150*5=750
Total spend =9*175=1575
Total spend by girls is=1575-750=825
Average spend by girls =825/4=206.25
Incorrect
Answer: B
Explanation
5 boys total spend=150*5=750
Total spend =9*175=1575
Total spend by girls is=1575-750=825
Average spend by girls =825/4=206.25
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Question 4 of 5
4. Question
The respective ratio between the present age of A,B and C is 3:4:5. If the average of their present ages is 28 year then what would be the sum of the ages of A and B after 3 year?
Correct
Answer: A
Explanation
Let their age is 3x,4x and 5x.
So according to the question =12x=28*3=84
So, x=7
Sum of age of A and B is=7*7=49
Sum after 3 years will be=49+6=55
Incorrect
Answer: A
Explanation
Let their age is 3x,4x and 5x.
So according to the question =12x=28*3=84
So, x=7
Sum of age of A and B is=7*7=49
Sum after 3 years will be=49+6=55
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Question 5 of 5
5. Question
The average age of three boys is 15 years. If their ages are in the ratio 3:5:7. What is the age of the youngest one?
Correct
Answer: D
Explanation
Total age of three boys is 15*3=45
So their age is3x, 5x, 7x
So 15x=45, x=3
So, age of youngest one is=3*3=9
Incorrect
Answer: D
Explanation
Total age of three boys is 15*3=45
So their age is3x, 5x, 7x
So 15x=45, x=3
So, age of youngest one is=3*3=9
