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 Total number of questions : 20.
 Time alloted : 30 minutes.
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1.  In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
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2.  The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incurred by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit? 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: Let C.P. be Rs. x.
1920  x = x  1280 2x = 3200 x = 1600
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3.  A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. The length of the train is: 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
Let the length of the train be x metres and its speed by y m/sec.
9y  5 = x and 10(9y  10) = 9x 9y  x = 5 and 90y  9x = 100. On solving, we get: x = 50. Length of the train is 50 m. Learn more problems on : Problems on Trains Discuss about this problem : Discuss in Forum 
4.  Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is: 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: Let the length of each train be x metres. Then, distance covered = 2x metres. Relative speed = (46  36) km/hr
2x = 100 x = 50. Learn more problems on : Problems on Trains Discuss about this problem : Discuss in Forum 
5. 


Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
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6.  What decimal of an hour is a second ? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
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7. 


Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
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8.  34.95 + 240.016 + 23.98 = ? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: 34.95 240.016 + 23.98  298.946  Learn more problems on : Decimal Fraction Discuss about this problem : Discuss in Forum 
9.  A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
Whole work will be done by A and B in (3 x 5) = 15 days.
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10. 


Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
x  1 = 3  x 2x = 4 x = 2. Learn more problems on : Surds and Indices Discuss about this problem : Discuss in Forum 
11. 
discount. The rate percent is: 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Let, B.D = Re. 1.
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12.  The present worth of a sum due sometime hence is Rs. 576 and the banker's gain is Rs. 16. The true discount is: 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: T.D. = P.W. x B.G. = 576 x 16 = 96. Learn more problems on : Banker's Discount Discuss about this problem : Discuss in Forum 
13.  January 1, 2007 was Monday. What day of the week lies on Jan. 1, 2008? 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: The year 2007 is an ordinary year. So, it has 1 odd day. 1^{st} day of the year 2007 was Monday. 1^{st} day of the year 2008 will be 1 day beyond Monday. Hence, it will be Tuesday. Learn more problems on : Calendar Discuss about this problem : Discuss in Forum 
14.  The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is: 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Let the numbers be x and y. Then, xy = 120 and x^{2} + y^{2} = 289. (x + y)^{2} = x^{2} + y^{2} + 2xy = 289 + (2 x 120) = 529 x + y = 529 = 23. Learn more problems on : Problems on Numbers Discuss about this problem : Discuss in Forum 
15.  The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years. Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50 5x = 20 x = 4. Age of the youngest child = x = 4 years. Learn more problems on : Problems on Ages Discuss about this problem : Discuss in Forum 
16.  An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in 1 hours, it must travel at a speed of: 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Distance = (240 x 5) = 1200 km. Speed = Distance/Time Speed = 1200/(5/3) km/hr. [We can write 1 hours as 5/3 hours]
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Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and
 
17. 


Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: II gives the value of r. But, in I, the breadth of rectangle is not given. So, we cannot find the surface area of the cone. Hence, the height of the cone cannot be determined. Correct answer is (D). Learn more problems on : Volume and Surface Area Discuss about this problem : Discuss in Forum 
18.  39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work? 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Let the required number of days be x. Less persons, More days (Indirect Proportion) More working hours per day, Less days (Indirect Proportion)
30 x 6 x x = 39 x 5 x 12
x = 13. Learn more problems on : Chain Rule Discuss about this problem : Discuss in Forum 
19.  The diagonal of the floor of a rectangular closet is 7 feet. The shorter side of the closet is 4 feet. What is the area of the closet in square feet? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
Area of closet = (6 x 4.5) sq. ft = 27 sq. ft. Learn more problems on : Area Discuss about this problem : Discuss in Forum 
20.  Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
Total time taken to fill the tank = (6 + 1) hrs = 7 hrs. Learn more problems on : Pipes and Cistern Discuss about this problem : Discuss in Forum 