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Instruction:
 Total number of questions : 20.
 Time alloted : 30 minutes.
 Each question carry 1 mark, no negative marks.
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1.  Simple interest on a certain sum of money for 3 years at 8% per annum is half the compound interest on Rs. 4000 for 2 years at 10% per annum. The sum placed on simple interest is: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
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2.  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? 

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 
Find out the wrong number in the given sequence of numbers.  
3.  1, 2, 6, 15, 31, 56, 91 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: 1, 1 + 1^{2} = 2, 2 + 2^{2} = 6, 6 + 3^{2} = 15, 15 + 4^{2} = 31, 31 + 5^{2} = 56, 56 + 6^{2} = 92 Last number of given series must be 92 not 91. Learn more problems on : Odd Man Out and Series Discuss about this problem : Discuss in Forum 
4.  The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the first train is: 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Let the speed of two trains be 7x and 8x km/hr.
Speed of first train = (7 x 12.5) km/hr = 87.5 km/hr. Learn more problems on : Time and Distance Discuss about this problem : Discuss in Forum 
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
 
5. 


Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
.__________.______________________________________. A x C (100  x) B Let AC = x km. Then, CB = (100 x) km. I. AB = 125% of CB
x = 20 km. AC = 20 km. Thus, I alone gives the answer.
5x = 100 x = 20. AC = 20 km. Thus, II alone gives the answer. Correct answer is (C). Learn more problems on : Time and Distance Discuss about this problem : Discuss in Forum 
6.  The greatest number of four digits which is divisible by 15, 25, 40 and 75 is: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Greatest number of 4digits is 9999. L.C.M. of 15, 25, 40 and 75 is 600. On dividing 9999 by 600, the remainder is 399. Required number (9999  399) = 9600. Learn more problems on : Problems on H.C.F and L.C.M Discuss about this problem : Discuss in Forum 
Find the odd man out.  
7.  10, 14, 16, 18, 21, 24, 26 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
Each of the numbers except 21 is an even number.
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8.  1, 4, 9, 16, 23, 25, 36 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
Each of the numbers except 23, is perfect square. Learn more problems on : Odd Man Out and Series Discuss about this problem : Discuss in Forum 
9.  At what time between 9 and 10 o'clock will the hands of a watch be together? 

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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10.  How many times are the hands of a clock at right angle in a day? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: In 12 hours, they are at right angles 22 times. In 24 hours, they are at right angles 44 times. Learn more problems on : Clock Discuss about this problem : Discuss in Forum 
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
 
11. 


Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Let the tens and units digit be x and y respectively. Then,
I gives, 4y = 24 y = 6. So, x + 6 = 8 x = 2.
II gives, x^{2} = 36 x = 6. So, 3y = 6 y = 2. Therefore, Either I or II alone sufficient to answer. Learn more problems on : Problems on Numbers Discuss about this problem : Discuss in Forum 
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.  
12. 


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 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
 
13. 


Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Let Principal = Rs. P and Rate = R% p.a. Then,
Clearly, it does not give the answer. Correct answer is (D). Learn more problems on : Compound Interest Discuss about this problem : Discuss in Forum 
14.  The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Originally, let the number of boys and girls in the college be 7x and 8x respectively. Their increased number is (120% of 7x) and (110% of 8x).
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15.  If Rs. 10 be allowed as true discount on a bill of Rs. 110 due at the end of a certain time, then the discount allowed on the same sum due at the end of double the time is: 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation:
S.I. on Rs. (110  10) for a certain time = Rs. 10.
S.I. on Rs. 100 for double the time = Rs. 20. T.D. on Rs. 120 = Rs. (120  100) = Rs. 20.
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Find out the wrong number in the series.  
16.  6, 12, 48, 100, 384, 768, 3072 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Each even term of the series is obtained by multiplying the previous term by 2. 2^{nd} term = (1^{st} term) x 2 = 6 x 2 = 12 4^{th} term = (3^{rd} term) x 2 = 48 x 2 = 96. 6^{th} term = (5^{th} term) x 2 = 384 x 2 =768. 4^{th} term should be 96 instead of 100. Learn more problems on : Odd Man Out and Series Discuss about this problem : Discuss in Forum 
17.  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: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: By the rule of alligation, we have:
Ration of 1^{st} and 2^{nd} parts = 4 : 6 = 2 : 3
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18.  A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Speed of train relative to jogger = (45  9) km/hr = 36 km/hr.
= 10 m/sec. Distance to be covered = (240 + 120) m = 360 m.
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19.  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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20.  A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work? 

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