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**20**. - Time alloted :
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Study the following pie-diagrams carefully and answer the questions given below it: Percentage Composition of Human Body | ||||||||||||||||||||||||||||||||||||||||||||||||||||

1. | What percent of the total weight of human body is equivalent to the weight of the proteins in skin in human body? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation: Let the body weight be
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2. | What will be the quantity of water in the body of a person weighing 50 kg? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
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3. | What is the ratio of the distribution of proteins in the muscles to that of the distribution of proteins in the bones? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
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4. | To show the distribution of proteins and other dry elements in the human body, the arc of the circle should subtend at the centre an angle of: |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
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5. | In the human body, what part is made of neither bones nor skin? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation:
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Study the following line graph which gives the number of students who joined and left the school in the beginning of year for six years, from 1996 to 2001. Initial Strength of school in 1995 = 3000. | ||||||||||||||||||||

6. | The number of students studying in the school during 1999 was? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: As calculated above, the number of students studying in the school during 1999 = 3150. Learn more problems on : Line Charts Discuss about this problem : Discuss in Forum |

7. | The strength of school incresed/decreased from 1997 to 1998 by approximately what percent? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
In 1996 : Number of students left = 250 and number of students joined = 350. In 1997 : Number of students left = 450 and number of students joined = 300. In 1998 : Number of students left = 400 and number of students joined = 450. In 1999 : Number of students left = 350 and number of students joined = 500. In 2000 : Number of students left = 450 and number of students joined = 400. In 2001 : Number of students left = 450 and number of students joined = 550. Therefore, the numbers of students studying in the school (i.e., strength of the school) in various years: In 1995 = 3000 (given). In 1996 = 3000 - 250 + 350 = 3100. In 1997 = 3100 - 450 + 300 = 2950. In 1998 = 2950 - 400 + 450 = 3000. In 1999 = 3000 - 350 + 500 = 3150. In 2000 = 3150 - 450 + 400 = 3100. In 2001 = 3100 - 450 + 550 = 3200. Percentage increase in the strength of the school from 1997 to 1998
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8. | The number of students studying in the school in 1998 was what percent of the number of students studying in the school in 2001? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
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9. | During which of the following pairs of years, the strength of the school was same? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: As calculated above, in the years 1996 and 2000 the strength of the school was same i.e., 3100. Learn more problems on : Line Charts Discuss about this problem : Discuss in Forum |

10. | Among the given years, the largest number of students joined the school in the year? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: As calculated above, the largest number of students (i.e., 550) joined the school in the year 2001. Learn more problems on : Line Charts Discuss about this problem : Discuss in Forum |

Study the following table and answer the questions. Classification of 100 Students Based on the Marks Obtained by them in Physics and Chemistry in an Examination.
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11. | What is the different between the number of students passed with 30 as cut-off marks in Chemistry and those passed with 30 as cut-off marks in aggregate? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Required difference = (No. of students scoring 30 and above marks in Chemistry) = 27 - 21 = 6. Learn more problems on : Table Charts Discuss about this problem : Discuss in Forum |

12. | If at least 60% marks in Physics are required for pursuing higher studies in Physics, how many students will be eligible to pursue higher studies in Physics? |
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Your Answer: Option (Not Answered) Correct Answer: Option B Explanation:
Required number = No. of students scoring 30 and above marks in Physics = 32 Learn more problems on : Table Charts Discuss about this problem : Discuss in Forum |

13. | The percentage of number of students getting at least 60% marks in Chemistry over those getting at least 40% marks in aggregate, is approximately? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Number of students getting at least 60% marks in Chemistry = Number of students getting 30 and above marks in Chemistry = 21. Number of students getting at least 40% marks in aggregate = Number of students getting 20 and above marks in aggregate = 73.
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14. | The number of students scoring less than 40% marks in aggregate is? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation:
Required number = Number of students scoring less than 20 marks in aggreagate = 100 - Number of students scoring 20 and above marks in aggregate = 100 - 73 = 27. Learn more problems on : Table Charts Discuss about this problem : Discuss in Forum |

15. | If it is known that at least 23 students were eligible for a Symposium on Chemistry, then the minimum qualifying marks in Chemistry for eligibility to Symposium would lie in the range? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation: Since 66 students get 20 and above marks in Chemistry and out of these 21 students get 30 and above marks, therefore to select top 35 students in Chemistry, the qualifying marks should lie in the range 20-30. Learn more problems on : Table Charts Discuss about this problem : Discuss in Forum |

Study the bar chart and answer the question based on it. Production of Fertilizers by a Company (in 1000 tonnes) Over the Years | ||||||||||||||||||||||||||

16. | What was the percentage decline in the production of fertilizers from 1997 to 1998? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
There is a decline of 25% in production from 1997 to 1998. Learn more problems on : Bar Charts Discuss about this problem : Discuss in Forum |

17. | The average production of 1996 and 1997 was exactly equal to the average production of which of the following pairs of years? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation:
We shall find the average production (in 10000 tonnes) for each of the given alternative pairs:
The average production of 1996 and 1997 is equal to the average production of 1995 and 2001. Learn more problems on : Bar Charts Discuss about this problem : Discuss in Forum |

18. | What was the percentage increase in production of fertilizers in 2002 compared to that in 1995? |
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Your Answer: Option (Not Answered) Correct Answer: Option C Explanation:
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19. | In which year was the percentage increase in production as compared to the previous year the maximum? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: The percentage increase in production compared to previous year for different years are:
In 1998 there is a decrease in production.
In 2000 there is a decrease in production.
Clearlyl, there is maximum percentage increase in production in 1996. Learn more problems on : Bar Charts Discuss about this problem : Discuss in Forum |

20. | In how many of the given years was the production of fertilizers more than the average production of the given years? |
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Your Answer: Option (Not Answered) Correct Answer: Option D Explanation: Average production (in 10000 tonnes) over the given years
The productions during the years 1997, 1999, 2001 and 2002 are more than the average production. Learn more problems on : Bar Charts Discuss about this problem : Discuss in Forum |

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