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Instruction:
1. | If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days? |
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Your Answer: Option Correct Answer: Option C Explanation: Let the required number days be x. Less spiders, More days (Indirect Proportion) Less webs, Less days (Direct Proportion)
1 x 7 x x = 7 x 1 x 7 x = 7. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
2. | Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg. |
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Your Answer: Option Correct Answer: Option B Explanation:
By the rule of alligation:
Required ratio = 60 : 90 = 2 : 3. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
3. | 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? |
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Your Answer: Option 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. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
4. | Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in: |
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Your Answer: Option Correct Answer: Option C Explanation:
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5. |
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Your Answer: Option Correct Answer: Option C Explanation:
Its characteristic is 19. Hence, then number of digits in 264 is 20. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
6. | Aman started a business investing Rs. 70,000. Rakhi joined him after six months with an amount of Rs.. 1,05,000 and Sagar joined them with Rs. 1.4 lakhs after another six months. The amount of profit earned should be distributed in what ratio among Aman, Rakhi and Sagar respectively, 3 years after Aman started the business? |
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Your Answer: Option Correct Answer: Option B Explanation: Aman : Rakhi : Sagar = (70,000 x 36) : (1,05,000 x 30) : (1,40,000 x 24) = 12 : 15 : 16. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
7. |
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Your Answer: Option Correct Answer: Option A Explanation: Given Exp. =(a3 + b3)= (a + b) = (768 + 232) = 1000(a2 - ab + b2) Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
8. | A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup? |
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Your Answer: Option Correct Answer: Option C Explanation: Suppose the vessel initially contains 8 litres of liquid. Let x litres of this liquid be replaced with water.
5x + 24 = 40 - 5x 10x = 16
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9. | On what dates of April, 2001 did Wednesday fall? |
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Your Answer: Option Correct Answer: Option D Explanation: We shall find the day on 1st April, 2001. 1st April, 2001 = (2000 years + Period from 1.1.2001 to 1.4.2001) Odd days in 1600 years = 0 Odd days in 400 years = 0 Jan. Feb. March April Total number of odd days = (0 + 0 + 0) = 0 On 1st April, 2001 it was Sunday. In April, 2001 Wednesday falls on 4th, 11th, 18th and 25th Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
10. | Which natural number is nearest to 8485, which is completely divisible by 75 ? |
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Your Answer: Option Correct Answer: Option A Explanation: On dividing, we get 75) 8485 (113 75 --- 98 75 ---- 235 225 --- 10 --- Required number = (8485 - 10) // Because 10 < (75 - 10) = 8475. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
11. |
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Your Answer: Option Correct Answer: Option A Explanation:
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12. | David gets on the elevator at the 11th floor of a building and rides up at the rate of 57 floors per minute. At the same time, Albert gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross ? |
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Your Answer: Option Correct Answer: Option C Explanation: Suppose their paths cross after x minutes. Then, 11 + 57x = 51 - 63x 120x = 40
So, their paths cross at (11 +19) i.e., 30th floor. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
13. | How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr? |
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Your Answer: Option Correct Answer: Option B Explanation:
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14. | In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women? |
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Your Answer: Option Correct Answer: Option A Explanation: Required number of ways = (7C5 x 3C2) = (7C2 x 3C1) =7 x 6x 3= 63.2 x 1 Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
15. | The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class. |
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Your Answer: Option Correct Answer: Option C Explanation:
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16. | The angle of elevation of the sun, when the length of the shadow of a tree √3 times the height of the tree, is: |
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Your Answer: Option Correct Answer: Option A Explanation: Let AB be the tree and AC be its shadow. Let ACB = .
= 30°. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
17. | From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways can it be done? |
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Your Answer: Option Correct Answer: Option D Explanation: We may have (3 men and 2 women) or (4 men and 1 woman) or (5 men only).
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18. | A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is: |
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Your Answer: Option Correct Answer: Option C Explanation: S.I. for 3 years = Rs. (12005 - 9800) = Rs. 2205.
Principal = Rs. (9800 - 3675) = Rs. 6125.
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19. | 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 Correct Answer: Option B Explanation: L.C.M. of 5, 6, 7, 8 = 840. Required number is of the form 840k + 3 Least value of k for which (840k + 3) is divisible by 9 is k = 2. Required number = (840 x 2 + 3) = 1683. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
20. | A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank? |
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Your Answer: Option Correct Answer: Option C Explanation: Suppose pipe A alone takes x hours to fill the tank.
x = 35 hrs. Learn more problems on : Online Aptitude Test Discuss about this problem : Discuss in Forum |
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