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A man gains 10% by selling a certain article. If he sells it at double the price, the profit made is:

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Important Questions on Test Paper

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CISF Head Constable
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Assam Police Constable Recruitment Exam 2018>Chapter 12 - Test Paper>Exercise 1>Q 19
Average temperature of a week is 34οC. Average temperature for Sunday, Monday, Tuesday and Wednesday was 30οC and the average temperature for Wednesday, Thursday, Friday and Saturday was 40οC. The temperature on Wednesday was:
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Assam Police Constable Recruitment Exam 2018>Chapter 12 - Test Paper>Exercise 1>Q 20
A can do a piece of work in 35 days while B can complete it in 45 days. They start the work together, but A drops out after 7 days. How many days will B take to finish the remaining work?
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Assam Police Constable Recruitment Exam 2018>Chapter 12 - Test Paper>Exercise 1>Q 21
The difference between the simple interest and compound interest on a certain sum of money at the end of 2 years is Rs. 117 at the rate of 15% per annum, the interest being credited annually. The principal is
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CISF Head Constable
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Assam Police Constable Recruitment Exam 2018>Chapter 12 - Test Paper>Exercise 1>Q 22
The sum of four numbers A, B, C and D is 110. C is twice A, sum of A and D is equal to that of B and C. A:B is 3:5, the numbers are
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Assam Police Constable Recruitment Exam 2018>Chapter 12 - Test Paper>Exercise 1>Q 23
A man can row 913 km/hr in still water and he finds that it took him thrice as much time to row up as to row down the river the same distance. The speed of the current (per hour) is:
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Assam Police Constable Recruitment Exam 2018>Chapter 12 - Test Paper>Exercise 1>Q 24
The average of three numbers is 135. The largest number is 180 and the difference of the other two is 25. The smallest number is:
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Assam Police Constable Recruitment Exam 2018>Chapter 12 - Test Paper>Exercise 1>Q 25
I am walking on a platform at the rate of 8 km/hr. A train comes from behind and crosses me in 30 seconds. If the length of the train is 300 m, its speed is: