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
Consider the following matrix:
3 8 10 2 ? 1
6 56 90 2 20 0
What is the missing number at ‘?’ in the matrix?
Correct
Answer : A
3*2=6
8*7=56
10*9=90
2*1=2
5*4=20
1*0=0
[ In this series we are following
N*(N-1) pattern
Ex: N= 3
3*(3-1)
3*2=6 ]
Incorrect
Answer : A
3*2=6
8*7=56
10*9=90
2*1=2
5*4=20
1*0=0
[ In this series we are following
N*(N-1) pattern
Ex: N= 3
3*(3-1)
3*2=6 ]
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Question 2 of 5
2. Question
A father is nine times as old as his son and the mother is eight times as old as the son. The sum of the father’s and the mother’s age is 51 years. What is the age of the son ?
Correct
Answer: D
Suppose age of the Son be = X years,
Then the age of father is = 9X
And age of mother is = 8X
According to question: 9X + 8X = 51
17x = 51
X = (51/17)
X= 3 years
Incorrect
Answer: D
Suppose age of the Son be = X years,
Then the age of father is = 9X
And age of mother is = 8X
According to question: 9X + 8X = 51
17x = 51
X = (51/17)
X= 3 years
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Question 3 of 5
3. Question
In a test, a candidate attempted only 8 questions and secured 50% marks in each of the questions. If he obtained a total of 40% in the test and all questions in the test carried equal marks, how many questions were there in the test?
Correct
Answer : B
Let total Number of questions be = N
Let each question is of x marks
Solution 1 →
Attempted = 8 Questions
Scored = 50 % marks in each questions
= 0.5*x = in each questions
Total marks scored T1 = 8*0.5*x = 4x
Solution 2→
No of Question attempted = N
Marks in each Question = 0.4*x
Total marks T2 = N*0.4*x
As = T1=T2
4x = N*0.4*x
N = 10
Incorrect
Answer : B
Let total Number of questions be = N
Let each question is of x marks
Solution 1 →
Attempted = 8 Questions
Scored = 50 % marks in each questions
= 0.5*x = in each questions
Total marks scored T1 = 8*0.5*x = 4x
Solution 2→
No of Question attempted = N
Marks in each Question = 0.4*x
Total marks T2 = N*0.4*x
As = T1=T2
4x = N*0.4*x
N = 10
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Question 4 of 5
4. Question
what is the missing number ‘X’ of the series 7, X, 21, 31, 43?
Correct
Answer : C
7+6 = 13
13+8 = 21
21+10 = 31
31+20 = 43
Incorrect
Answer : C
7+6 = 13
13+8 = 21
21+10 = 31
31+20 = 43
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Question 5 of 5
5. Question
In a town, 45% population read magazine A, 55% read magazine B, 40% read magazine C, 30% read magazines A and B, 15% read magazines Band C, 25% read magazines A and C; and 10% read all the three magazines. What percentage do not read any magazine?
Correct
Answer: C
20% Population do not read any magazines.
Incorrect
Answer: C
20% Population do not read any magazines.
