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
6bell commence tolling together and toll of Intervals are 2, 4, 6, 8, 10 And 12 s, respectively. In 1 h , how many times, do they toll together ?
Correct
Answer : d
LCM of 2, 4, 6, 8, 10 , 12
= (2 × 2 × 3 × 2 × 5 )
= 120
So After every 2 minutes they toll together .
Number of times they toll together is one hour
=(60/2+1) times
= 31 times
Incorrect
Answer : d
LCM of 2, 4, 6, 8, 10 , 12
= (2 × 2 × 3 × 2 × 5 )
= 120
So After every 2 minutes they toll together .
Number of times they toll together is one hour
=(60/2+1) times
= 31 times
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Question 2 of 5
2. Question
Find the greatest possible length which can be used to measure exactly The lengths 7m, 3m 85 cm and 12 m 95 cm.
Correct
Answer : c
Required length = HCF of 7m, 3m, 85 c.m
12m 95 c.m
= HCF of 700 c.m, 385 c.m, 1295 c.m
Hence required length is 35 c.m
Incorrect
Answer : c
Required length = HCF of 7m, 3m, 85 c.m
12m 95 c.m
= HCF of 700 c.m, 385 c.m, 1295 c.m
Hence required length is 35 c.m
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Question 3 of 5
3. Question
The HCF and LCM of two numbers are 21 and 4641, between 200 and 300, Then find the two numbers.
Correct
Answer : d
Let the Numbers be = 21a and 21b
Where a, b are co -primes.
Then, 21a × 21b = ( 21 × 4641 )
ab = 221
Two common with product 221 are 13 and 17
So Required Number = ( 21 × 13, 21 × 17 )
= ( 273, 357 )
Incorrect
Answer : d
Let the Numbers be = 21a and 21b
Where a, b are co -primes.
Then, 21a × 21b = ( 21 × 4641 )
ab = 221
Two common with product 221 are 13 and 17
So Required Number = ( 21 × 13, 21 × 17 )
= ( 273, 357 )
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Question 4 of 5
4. Question
Find the side of the largest possible square slabs which can be paved on the Floor of a room 2 m 50 cm long and 1 m 50 cm broad . Also find the number of Such slabs to pave the floor.
Correct
Answer : c
Incorrect
Answer : c
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Question 5 of 5
5. Question
When in each box 5 or 6 dozens of apples were packed, three dozens were left. Therefore, bigger boxes were taken to pack 8 or 9 dozens of apples . However, still Three dozens of apples remained. What was the least number of dozens of apples to Be packed ?
Correct
Answer : a
Incorrect
Answer : a
