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
A number consists of three digits of which the middle one is zero and their sum is 4. If ‘he number formed by interchanging the first and last digits is greater than the number itself by 198, then the difference between the first and last digits is
Correct
Answer. B
Let the first and last digits of the Number be x and y
x 0 y
∴Number is 100x+y
According to the Question :
100y + x – 100x – 100y = 198
99y – 99x = 198
99(y-x) = 118
9 ( y – x ) = 18
( y – x = 2 )
Incorrect
Answer. B
Let the first and last digits of the Number be x and y
x 0 y
∴Number is 100x+y
According to the Question :
100y + x – 100x – 100y = 198
99y – 99x = 198
99(y-x) = 118
9 ( y – x ) = 18
( y – x = 2 )
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Question 2 of 5
2. Question
While writing all the numbers from 700 to 1000, how many numbers occur in which the digit at hundred’s place is greater than the digit at ten’s place, and the digit at ten’s place is greater than the digit at unit’s place?
Correct
Answer- C
Hundreds digit > Tens digit > unit digit
From 700 to 800, total 21 Numbers are there in which the digit at Hundred’s place is greater than the digit at ten’s place, and the digit at ten’s place is greater than the digit at unit’s place.
From 801 to 900, total such Numbers are = 28
From 901 to 1000, 36 Numbers are possible
∴Total 21 + 28 + 36 = 85 Numbers are possible.
Incorrect
Answer- C
Hundreds digit > Tens digit > unit digit
From 700 to 800, total 21 Numbers are there in which the digit at Hundred’s place is greater than the digit at ten’s place, and the digit at ten’s place is greater than the digit at unit’s place.
From 801 to 900, total such Numbers are = 28
From 901 to 1000, 36 Numbers are possible
∴Total 21 + 28 + 36 = 85 Numbers are possible.
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Question 3 of 5
3. Question
- Consider the following sum:
•+1 •+2 •+ •3+ •1=21 •
In the above sum, • stands for
Correct
Answer. D
• Stands for 8
8 + 18 + 28 +23 +81
= 218
Incorrect
Answer. D
• Stands for 8
8 + 18 + 28 +23 +81
= 218
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Question 4 of 5
4. Question
- Consider the following pattern of numbers :
8 10 15 13
6 5 7 4
4 6 8 8
6 11 16 ?
What is the number at? in the above pattern?
Correct
Answer. A
The pattern is as follows
8 + 4 – 6 = 6
10 + 6 – 5 = 11
15 + 8 – 7 = 16
13 + 8 – 4 = 17
Incorrect
Answer. A
The pattern is as follows
8 + 4 – 6 = 6
10 + 6 – 5 = 11
15 + 8 – 7 = 16
13 + 8 – 4 = 17
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Question 5 of 5
5. Question
- Consider the sequence given below:
4/12/95, 1/1/96, 29/1/96, 26/2/96, ….
What is the next term of the series?
Correct
Answer. B
Incorrect
Answer. B
