
Instruction:
- This is a FREE online test. DO NOT pay money to anyone to attend this test.
- Total number of questions : 20.
- Time alloted : 30 minutes.
- Each question carry 1 mark, no negative marks.
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- All the best :-).
Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question. | ||||||||||||||||||||||||||||||||||||||
1. |
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Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: I. Let Ravi's present age be x years. Then, his father's present age = 2x years.
III. Ravi is younger than his brother.
Thus, I and II together give the answer. Clearly, III is redundant.
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2. | Six years ago, the ratio of the ages of Kunal and Sagar was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. What is Sagar's age at present? |
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Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: Let the ages of Kunal and Sagar 6 years ago be 6x and 5x years respectively.
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3. | The interest on Rs. 750 for 2 years is the same as the true discount on Rs. 960 due 2 years hence. If the rate of interest is the same in both cases, it is: |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: S.I. on Rs. 750 = T.D. on Rs. 960. This means P.W. of Rs. 960 due 2 years hence is Rs. 750.
Thus, S.I. on R.s 750 for 2 years is Rs. 210.
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4. | The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is: |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: L.C.M. of 5, 6, 7, 8 = 840.
Least value of k for which (840k + 3) is divisible by 9 is k = 2.
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5. | It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the cars is: |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Let the speed of the train be x km/hr and that of the car be y km/hr.
Solving (i) and (ii), we get: x = 60 and y = 80.
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Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question. | |||||||||||||||||||||||||||||||||||||||||
6. |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: I and II give: K = Rs. (8000 x 9) for 1 month = Rs. 72000 for 1 month.
R = Rs. 48000 for 1 month.
III gives, total profit = Rs. 1000.
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7. | A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is: |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: S.I. for 1 year = Rs. (854 - 815) = Rs. 39. S.I. for 3 years = Rs.(39 x 3) = Rs. 117.
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Each of these questions is followed by three statements. You have to study the question and all the three statements given to decide whether any information provided in the statement(s) is redundant and can be dispensed with while answering the given question. | ||||||||||||||||||||||||||||||||||||||||||||||||||||
8. |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: I. Let C.P. be Rs. x.
III. S.P. = 90% of M.P.
Thus, from I and III, gain % can be obtained. Clearly, II is redundant. Learn more problems on : Profit and Loss Discuss about this problem : Discuss in Forum |
Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question. | |||||||||||||||||||||||||
9. |
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Your Answer: Option (Not Answered) Correct Answer: Option E Explanation: Let the tens and units digit be x and y respectively. I. x + y = 7. II. (10x + y) - (10y + x) = 9 III. x - y = 1. Thus, I and II as well as I and III give the answer.
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10. | What was the day of the week on 17th June, 1998? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: 17th June, 1998 = (1997 years + Period from 1.1.1998 to 17.6.1998) Odd days in 1600 years = 0 Odd days in 300 years = (5 x 3) 97 years has 24 leap years + 73 ordinary years. Number of odd days in 97 years ( 24 x 2 + 73) = 121 = 2 odd days.
Jan. Feb. March April May June (31 + 28 + 31 + 30 + 31 + 17) = 168 days
Total number of odd days = (0 + 1 + 2 + 0) = 3. Given day is Wednesday. Learn more problems on : Calendar Discuss about this problem : Discuss in Forum |
Find out the wrong number in the given sequence of numbers. | ||||||||||||||||||||
11. | 52, 51, 48, 43, 34, 27, 16 |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Subtract 1, 3, 5, 7, 9, 11 from successive numbers. So, 34 is wrong. Learn more problems on : Odd Man Out and Series Discuss about this problem : Discuss in Forum |
12. | A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
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13. | Two stations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 kmph. Another train starts from B at 8 a.m. and travels towards A at a speed of 25 kmph. At what time will they meet? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Suppose they meet x hours after 7 a.m. Distance covered by A in x hours = 20x km. Distance covered by B in (x - 1) hours = 25(x - 1) km.
So, they meet at 10 a.m. Learn more problems on : Problems on Trains Discuss about this problem : Discuss in Forum |
14. | A family consists of two grandparents, two parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
Video Explanation: https://youtu.be/OXLnoItd0MA Learn more problems on : Average Discuss about this problem : Discuss in Forum |
15. | At what time between 9 and 10 o'clock will the hands of a watch be together? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: To be together between 9 and 10 o'clock, the minute hand has to gain 45 min. spaces. 55 min. spaces gained in 60 min.
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16. | A merchant has 1000 kg of sugar, part of which he sells at 8% profit and the rest at 18% profit. He gains 14% on the whole. The quantity sold at 18% profit is: |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: By the rule of alligation, we have:
Ration of 1st and 2nd parts = 4 : 6 = 2 : 3
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17. | If logx y = 100 and log2 x = 10, then the value of y is: |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: log 2 x = 10
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18. | Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Let the required number of bottles be x. More machines, More bottles (Direct Proportion) More minutes, More bottles (Direct Proportion)
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Find out the wrong number in the series. | |||||||||||||||||||||||||
19. | 10, 26, 74, 218, 654, 1946, 5834 |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: 2nd term = (1st term) x 3 - 4 = 10 x 3 - 4 = 26. 3rd term = (2nd term) x 3 - 4 = 26 x 3 - 4 = 74. 4th term = (3th term) x 3 - 4 = 74 x 3 - 4 = 218. 5th term = (4th term) x 3 - 4 = 218 x 3 - 4 = 650.
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20. | 3, 7, 15, 39, 63, 127, 255, 511 |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Go on multiplying 2 and adding 1 to get the next number. So, 39 is wrong. Learn more problems on : Odd Man Out and Series Discuss about this problem : Discuss in Forum |