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
In how many different ways, can the letters of the word VENTURE be word arranged?
Correct
Answer : d
The required different ways = (7!/2!) = (7 *6 *5 *4 *3* 2!)/2!=2520Incorrect
Answer : d
The required different ways = (7!/2!) = (7 *6 *5 *4 *3* 2!)/2!=2520 -
Question 2 of 5
2. Question
In many different signals, can be made by 5 flags from 8 flags of different colours?
Correct
Answer : d
The number of ways taking 5 flags out of 8 flags = 8!/(8-5)! = 8!/3!
= (8* 7 *6 *5 *4 *3!)/3! = 6720Incorrect
Answer : d
The number of ways taking 5 flags out of 8 flags = 8!/(8-5)! = 8!/3!
= (8* 7 *6 *5 *4 *3!)/3! = 6720 -
Question 3 of 5
3. Question
A child has four pockets and three marbles. In how many ways, the child can put the marbles in the pockets?
Correct
Answer : b
The first marble can be put into pockets in 4 ways, so can the second and third. Thus, the number of ways in which the child can put the marbles
= (4*4* 4 )= 64 ways
Incorrect
Answer : b
The first marble can be put into pockets in 4 ways, so can the second and third. Thus, the number of ways in which the child can put the marbles
= (4*4* 4 )= 64 ways
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Question 4 of 5
4. Question
In how many ways, can the letters of the word ‘ASSASSINATION be arranged, so that all the S are together?
Correct
Answer : c
When All S are taken together, then AS5ASSINATION are letters.
So, 10 letters in total Can be arranged in 10! ways.
[because All ‘S are considered as 1]
But, here are 3 A’ and 2 T and 2 ‘N’.
Required number of ways = (10!)/(3! *2!* 2!) = 151200Incorrect
Answer : c
When All S are taken together, then AS5ASSINATION are letters.
So, 10 letters in total Can be arranged in 10! ways.
[because All ‘S are considered as 1]
But, here are 3 A’ and 2 T and 2 ‘N’.
Required number of ways = (10!)/(3! *2!* 2!) = 151200 -
Question 5 of 5
5. Question
There is a 7-digit telephone number with all different digits. lf the digit at extreme left are and right and extreme 6 respectively, find how many such telephone numbers are possible?
Correct
Answer : c
There is a 7-digit telephone number but extreme right and extreme left positions are fixed
i.e.6- – – – – 5
∴Required number of ways
8x7x6 x5x 4= 6720Incorrect
Answer : c
There is a 7-digit telephone number but extreme right and extreme left positions are fixed
i.e.6- – – – – 5
∴Required number of ways
8x7x6 x5x 4= 6720
