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 Total number of questions : 20.
 Time alloted : 30 minutes.
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1.  The banker's discount of a certain sum of money is Rs. 72 and the true discount on the same sum for the same time is Rs. 60. The sum due is: 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation:
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2.  The G.C.D. of 1.08, 0.36 and 0.9 is: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Given numbers are 1.08, 0.36 and 0.90. H.C.F. of 108, 36 and 90 is 18, H.C.F. of given numbers = 0.18. Learn more problems on : Problems on H.C.F and L.C.M Discuss about this problem : Discuss in Forum 
3.  If the sum of two numbers is 55 and the H.C.F. and L.C.M. of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Let the numbers be a and b. Then, a + b = 55 and ab = 5 x 120 = 600.
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4.  A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500? 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: Total sale for 5 months = Rs. (6435 + 6927 + 6855 + 7230 + 6562) = Rs. 34009. Required sale = Rs. [ (6500 x 6)  34009 ] = Rs. (39000  34009) = Rs. 4991. Video Explanation: https://youtu.be/tP4hszReksU Learn more problems on : Average Discuss about this problem : Discuss in Forum 
5.  The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person? 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Total weight increased = (8 x 2.5) kg = 20 kg. Weight of new person = (65 + 20) kg = 85 kg. Video Explanation: https://youtu.be/ceg2jvHsiJU Learn more problems on : Average Discuss about this problem : Discuss in Forum 
6.  From a point P on a level ground, the angle of elevation of the top tower is 30°. If the tower is 100 m high, the distance of point P from the foot of the tower is: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Let AB be the tower. Then, APB = 30° and AB = 100 m.
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7.  Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number. 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: Let the number be x.
x^{2} + 17x  60 = 0 (x + 20)(x  3) = 0 x = 3. Learn more problems on : Problems on Numbers Discuss about this problem : Discuss in Forum 
8.  If onethird of onefourth of a number is 15, then threetenth of that number is: 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Let the number be x.
Video Explanation: https://youtu.be/z49OUnzTnwY Learn more problems on : Problems on Numbers Discuss about this problem : Discuss in Forum 
9.  The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the time at half the rate percent per annum is: 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Let the sum be Rs. P.
Sum = Rs . 2500.
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10.  The compound interest on Rs. 30,000 at 7% per annum is Rs. 4347. The period (in years) is: 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: Amount = Rs. (30000 + 4347) = Rs. 34347. Let the time be n years.
n = 2 years. Learn more problems on : Compound Interest Discuss about this problem : Discuss in Forum 
11.  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 
12.  Simran started a software business by investing Rs. 50,000. After six months, Nanda joined her with a capital of Rs. 80,000. After 3 years, they earned a profit of Rs. 24,500. What was Simran's share in the profit? 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Simran : Nanda = (50000 x 36) : (80000 x 30) = 3 : 4.
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13.  If a^{x} = b^{y}, then: 

Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: a^{x} = b^{y} log a^{x} = log b^{y} x log a = y log b
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14. 


Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
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15. 


Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
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16.  The sum of the present ages of a father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be: 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Let the present ages of son and father be x and (60 x) years respectively. Then, (60  x)  6 = 5(x  6) 54  x = 5x  30 6x = 84 x = 14. Son's age after 6 years = (x+ 6) = 20 years.. Learn more problems on : Problems on Ages Discuss about this problem : Discuss in Forum 
17.  Father is aged three times more than his son Ronit. After 8 years, he would be two and a half times of Ronit's age. After further 8 years, how many times would he be of Ronit's age? 

Your Answer: Option (Not Answered) Correct Answer: Option A Explanation: Let Ronit's present age be x years. Then, father's present age =(x + 3x) years = 4x years.
8x + 16 = 5x + 40 3x = 24 x = 8.
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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
 
18. 


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 
19.  A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m^{3}) is: 

Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Clearly, l = (48  16)m = 32 m, b = (36 16)m = 20 m, h = 8 m. Volume of the box = (32 x 20 x 8) m^{3} = 5120 m^{3}. Learn more problems on : Volume and Surface Area Discuss about this problem : Discuss in Forum 
20.  An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is: 

Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: 100 cm is read as 102 cm. A_{1} = (100 x 100) cm^{2} and A_{2} (102 x 102) cm^{2}. (A_{2}  A_{1}) = [(102)^{2}  (100)^{2}] = (102 + 100) x (102  100) = 404 cm^{2}.
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