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
If we add 8 to the Numerator of the fraction and increases denominator by 50% then both becomes equal. And when the Numerator is increased by 10 and denominator is doubled then it becomes equal to the original fraction. What will be two times of that fraction?
Correct
Answer: (b) 5/3
Explanation:
Let consider fraction as x/y
AQT,
(x+8)=3y/2
2x+16=3y —->(equation 1)
As per the question again,
(x+10)/2y =x/y
On solving we get,
,x=10
,y=12
Original fraction=x/y=10/12=5/6
Required fraction=5/6*2=5/3
Incorrect
Answer: (b) 5/3
Explanation:
Let consider fraction as x/y
AQT,
(x+8)=3y/2
2x+16=3y —->(equation 1)
As per the question again,
(x+10)/2y =x/y
On solving we get,
,x=10
,y=12
Original fraction=x/y=10/12=5/6
Required fraction=5/6*2=5/3
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Question 2 of 5
2. Question
A mixture of milk and water contains 80% of milk. x liter of mixture is taken out and replaced with water . find the value of x if final concentration of milk in the mixture is 50% and initial quantity of mixture is 320 liter.
Correct
Answer: (a) 120
Explanation:
4/5(320)-4/5 (x) = 1/5 *(320)-1/5(x) +x
Where 4/5 means 80%
1/5 means 20%
On solving we get x= 120
Incorrect
Answer: (a) 120
Explanation:
4/5(320)-4/5 (x) = 1/5 *(320)-1/5(x) +x
Where 4/5 means 80%
1/5 means 20%
On solving we get x= 120
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Question 3 of 5
3. Question
Akshay is 50% more than Bharath, Charan is 2/3rd of Akshay and Danesh is 60% more than Charan now if each of Akshay, Bharath, Charan and Danesh is increased by 20%. Then find Danesh is what percent of Bharath after the increase.
Correct
Answer: (c) 160%
Explanation:
Akshay/Bharath =3x/2x
Charan=2/3 (Akshay)
Charan/Akshay =2x/3x
Danesh=(160/100) Charan
Danesh/Charan=8x/5x
After balancing the ratio we get
Akshay :Bharath : Charan :Danesh
15x : 10x : 10x : 16x
If all increased by 20% we get same ratio only
15:10:10:16
Danesh/Bharath =16/10 *100=160%
Incorrect
Answer: (c) 160%
Explanation:
Akshay/Bharath =3x/2x
Charan=2/3 (Akshay)
Charan/Akshay =2x/3x
Danesh=(160/100) Charan
Danesh/Charan=8x/5x
After balancing the ratio we get
Akshay :Bharath : Charan :Danesh
15x : 10x : 10x : 16x
If all increased by 20% we get same ratio only
15:10:10:16
Danesh/Bharath =16/10 *100=160%
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Question 4 of 5
4. Question
Annually income of Priya is 12.48 lakh, she spend 38(6/13)% of monthly income on food and rent, 12.5% of remaining on gym , 14(2/7) remaining on clothing and 75% of remaining invested in mutual fund . if she kept remaining amount after all expenses as cash with her then find how much cash Priya have after 1 year.
Correct
Answer: (b) 144000
Explanation:
Annual income=1248000
Monthly income=104000
For food and rent=36(1/13)%=500/13 % *104000=40000
Remaining=64000
Gym=12.5%=1/8 * (64000)=8000
Remaining=56000
14(2/7)%=clothing=1/7 *56000 =8000
Remaining =48000
75%=mutual fund=3/4 * (48000)=36000
Remaining=48000-36000=12000
Remaining she kept monthly =12000
Yearly she kept=12000*12=144000
Incorrect
Answer: (b) 144000
Explanation:
Annual income=1248000
Monthly income=104000
For food and rent=36(1/13)%=500/13 % *104000=40000
Remaining=64000
Gym=12.5%=1/8 * (64000)=8000
Remaining=56000
14(2/7)%=clothing=1/7 *56000 =8000
Remaining =48000
75%=mutual fund=3/4 * (48000)=36000
Remaining=48000-36000=12000
Remaining she kept monthly =12000
Yearly she kept=12000*12=144000
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Question 5 of 5
5. Question
Abhi got 216 marks in test which were 56 more than that of Anu marks, if Sonu got 60% of the total marks of the test which is 80 marks more that the Anu marks , what percentage of marks did Anu got?
Correct
Abhi got 216 marks in test which were 56 more than that of Anu marks, if Sonu got 60% of the total marks of the test which is 80 marks more that the Anu marks , what percentage of marks did Anu got?
Incorrect
Abhi got 216 marks in test which were 56 more than that of Anu marks, if Sonu got 60% of the total marks of the test which is 80 marks more that the Anu marks , what percentage of marks did Anu got?
