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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 certain sum of money deposited at the bank amounts to Rs 756 in 3years and to Rs 873 in 5½ years. Find the principle sum.
Correct
Your Answer : Correct Answer : C
Answer Justification : Amount in 2 years = Rs. 756 Amount is 3 ½ years = Rs. 873 Interest for 1 ½ years = Rs. 873− Rs. 756 = Rs.117
∴ Interest for 2 years = (2 * 117 ) / 3/2 = Rs. 156 Principal =Amount−Interest = 756− 156= Rs. 600
Incorrect
Your Answer : Correct Answer : C
Answer Justification : Amount in 2 years = Rs. 756 Amount is 3 ½ years = Rs. 873 Interest for 1 ½ years = Rs. 873− Rs. 756 = Rs.117
∴ Interest for 2 years = (2 * 117 ) / 3/2 = Rs. 156 Principal =Amount−Interest = 756− 156= Rs. 600
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Question 2 of 5
2. Question
If a shopkeeper sells an item A at 10% profit and item B at 20% profit, then the total profit made is Rs.80. If he sells item A at 20% profit & item B at 10% profit, then the total profit made is Rs.70. What is the cost price of the items A & B respectively?
Correct
Your Answer : Correct Answer : D
Answer Justification : Let the CP of item A is ‘x’ and CP of item B is ‘y’.
From given data , (10/100)x + (20/100)y = 80 —-(1) (20/100)x + (10/100)y = 70 —-(2) By solving above 2 equations we get values of items A & B cost prices, i.e., x = 200 & y= 300
Incorrect
Your Answer : Correct Answer : D
Answer Justification : Let the CP of item A is ‘x’ and CP of item B is ‘y’.
From given data , (10/100)x + (20/100)y = 80 —-(1) (20/100)x + (10/100)y = 70 —-(2) By solving above 2 equations we get values of items A & B cost prices, i.e., x = 200 & y= 300
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Question 3 of 5
3. Question
A tap can fill a tank in 12 hours. After opening the tap for 6 hours it was found that a small outlet at the bottom of the tank was open and water was leaking through it. It was then immediately closed. It took 8 hours to fill the tub after closing the outlet. What time will be taken by the outlet to empty the full tub of water?
Correct
Your Answer : Correct Answer : A
Answer Justification : The tank will get filled in 14 hours instead of 12 hours 2 hours of the extra water filled by the tap is emptied by the outlet in 6 hours ∴ 12 hours of the water in tank will be emptied in 12/2 × 6 = 36 hours
Incorrect
Your Answer : Correct Answer : A
Answer Justification : The tank will get filled in 14 hours instead of 12 hours 2 hours of the extra water filled by the tap is emptied by the outlet in 6 hours ∴ 12 hours of the water in tank will be emptied in 12/2 × 6 = 36 hours
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Question 4 of 5
4. Question
Dharma is younger to Rana by 12 years. If their ages are in the respective ratio of 4:5, how old is Dharma?
Correct
Your Answer : Correct Answer : A
Answer Justification :
Explanation: Let Rana’s age be x years. Then, Dharma ‘s age = (x – 12) years. (x–12)/x = 4/5 x = 60 Hence, Dharma’s age = (x – 12) = 60 -12 = 48years.
Incorrect
Your Answer : Correct Answer : A
Answer Justification :
Explanation: Let Rana’s age be x years. Then, Dharma ‘s age = (x – 12) years. (x–12)/x = 4/5 x = 60 Hence, Dharma’s age = (x – 12) = 60 -12 = 48years.
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Question 5 of 5
5. Question
The average sales of a mobile shopkeeper was 20 mobiles per week, to increase the sales he decided to tie up with a finance company for providing mobiles to customers on installment. After the launch of this scheme his average sales increased to 26 mobile per week. The annual percentage increase in the sales of mobile was:
Correct
Your Answer : Correct Answer : A
Answer Justification :
Explanation The average rate of percentage increase in both the cases- weekly and yearly will be the same. Therefore, annual percentage in sales = (26–20/20)x100= 30%
Incorrect
Your Answer : Correct Answer : A
Answer Justification :
Explanation The average rate of percentage increase in both the cases- weekly and yearly will be the same. Therefore, annual percentage in sales = (26–20/20)x100= 30%
