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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.  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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In each of the following questions, a question is asked and is followed by three statements. While answering the question, you may or may not require the data provided in all the statements. You have to read the question and the three statements and then decide whether the question can be answered with any one or two of the statements or all the three statements are required to answer the question. The answer number bearing the statements, which can be dispensed with, if any, while answering the question is your answer.  
2. 


Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: I. gives, S.I for 3 years = Rs. 4500. II. gives, Rate = 10% p.a. III. gives, (C.I.)  (S.I.) = Rs. 465. Clearly, using I and III we get C.I. = Rs. (465 + 4500). Thus, II is redundant.
Now C.I. on Rs. 15000 at 10% p.a. for 3 years may be obtained. Thus, III is redundant. Either II or III is redundant. Learn more problems on : Compound Interest Discuss about this problem : Discuss in Forum 
Insert the missing number.  
3.  4, 8, 16, 32, 64, (....) 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Each number is the proceeding number multiplied by 2. So, the required number is 128. Learn more problems on : Odd Man Out and Series Discuss about this problem : Discuss in Forum 
4.  How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
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5.  In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is of the number of students of 8 years of age which is 48. What is the total number of students in the school? 

Your Answer: Option (Not Answered) Correct Answer: Option E Explanation: Let the number of students be x. Then, Number of students above 8 years of age = (100  20)% of x = 80% of x.
x = 100. Learn more problems on : Percentage Discuss about this problem : Discuss in Forum 
6.  If 40% of a number is equal to twothird of another number, what is the ratio of first number to the second number? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
A : B = 5 : 3. Learn more problems on : Ratio and Proportion Discuss about this problem : Discuss in Forum 
7.  The present worth of Rs. 2310 due 2 years hence, the rate of interest being 15% per annum, is: 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
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Find out the wrong number in the series.  
8.  445, 221, 109, 46, 25, 11, 4 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Go on subtracting 3 and dividing the result by 2 to obtain the next number. Clearly, 46 is wrong. Learn more problems on : Odd Man Out and Series Discuss about this problem : Discuss in Forum 
9.  A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in : 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
Hence, the total time taken = (10 + 2) = 12 days. Learn more problems on : Time and Work Discuss about this problem : Discuss in Forum 
10.  A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day? 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
Whole work will be done in (3 x 5) = 15 days. Learn more problems on : Time and Work 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.  
11. 


Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Let the speed of the train be x metres/sec.
Length of train = 330 m.
Correct answer is (D). Learn more problems on : Problems on Trains Discuss about this problem : Discuss in Forum 
12.  A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train? 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Let the length of the train be x metres and its speed by y m/sec.
8y + 264 = 20y y = 22.
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13.  A pupil's marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Let there be x pupils in the class.
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14.  A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the probability that none of the balls drawn is blue? 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: Total number of balls = (2 + 3 + 2) = 7. Let S be the sample space.
Let E = Event of drawing 2 balls, none of which is blue.
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15.  A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at 6 p.a for 2 years. Find his gain in the transaction per year. 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation:
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16.  Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank? 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation:
The tank will be full in (4 min. + 10 min. + 40 sec.) = 14 min. 40 sec. Learn more problems on : Pipes and Cistern Discuss about this problem : Discuss in Forum 
17.  A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely? 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Time taken by one tap to fill half of the tank = 3 hrs.
So, total time taken = 3 hrs. 45 mins. Learn more problems on : Pipes and Cistern Discuss about this problem : Discuss in Forum 
18.  There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Let the number of students in rooms A and B be x and y respectively. Then, x  10 = y + 10 x  y = 20 .... (i) and x + 20 = 2(y  20) x  2y = 60 .... (ii) Solving (i) and (ii) we get: x = 100 , y = 80. The required answer A = 100. Learn more problems on : Simplification Discuss about this problem : Discuss in Forum 
19.  3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day? 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Let the required number of working hours per day be x. More pumps, Less working hours per day (Indirect Proportion) Less days, More working hours per day (Indirect Proportion)
4 x 1 x x = 3 x 2 x 8
x = 12. Learn more problems on : Chain Rule Discuss about this problem : Discuss in Forum 
20. 


Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Gain = 25% of C.P. In order to find gain, we must know the sale price of each article and the number of articles sold. Correct answer is (D). Learn more problems on : Profit and Loss Discuss about this problem : Discuss in Forum 