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All questions of Tables for Mechanical Engineering Exam

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?
  • a)
    40-45
  • b)
    30-40
  • c)
    20-30
  • d)
    Below 20
Correct answer is option 'C'. Can you explain this answer?

Ishani Rane answered
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.

Study the following table and answer the questions based on it.
The ratio between the total expenditure on Taxes for all the years and the total expenditure on Fuel and Transport for all the years respectively is approximately?
  • a)
    4:7
  • b)
    12:13
  • c)
    10:13
  • d)
    5:8
Correct answer is option 'C'. Can you explain this answer?

Manoj Ghosh answered
Total expenditure on taxes
⇒ 83 + 108 + 74 + 88 + 98 
⇒ 451
Total expenditure on Fuel and Expenditure
⇒ 98 + 112 + 101 + 133 + 142
⇒ 586
Approximate Ratio
⇒ 451 : 586
Divide by 45
⇒ 10 : 13      ----(Approximate value)
∴ The approximate ratio is 10 : 13. 

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.

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?
  • a)
    27
  • b)
    32
  • c)
    34
  • d)
    41
Correct answer is option 'B'. Can you explain this answer?

Uday Singh answered
The right answer according to me is 41 because 60percent of 50 is 30 which means no.of students score 30 and more than 30 marks Will select ,so 32 student score 30and above,and 9 students score 40 and above . which is also greater than 30 so the correct answer is 32+9=41 if I am wrong then please explain why we didn't considered the students scored 40and above.

Study the following table and answer the questions based on it.
Number of Candidates Appeared, Qualified and Selected in a Competitive Examination from Five States Delhi, H.P, U.P, Punjab and Haryana Over the Years 1994 to 1998
Q.For which state the average number of candidates selected over the years is the maximum?
  • a)
    Punjab
  • b)
    H.P
  • c)
    U.P
  • d)
    Delhi
Correct answer is option 'D'. Can you explain this answer?

Wizius Careers answered
The average number of candidates selected over the given period for various states are:
For Delhi = (94 + 48 + 82 + 90 + 70)/5 = 384/5 = 76.8
For H.P. = (82 + 65 + 70 + 86 + 75)/5 = 378/5= 75.6
For U.P. = (78 + 85 + 48 + 70 + 80)/5 = 361/5 = 72.2
For Punjab = (85 + 70 + 65 + 84 + 60)/5 = 364/5 = 72.8
For Haryana = (75 + 75 + 55 + 60 + 75)/5 = 340/5 = 68
Clearly, this average is the maximum for Delhi that is 76.8

Directions: Study the following graph carefully and answer the questions given below:
Production (in Lakhs) of  Widgets  & Percentage defect over the years in five factories A, B, C, D, E.
Q. The average production for the given data will be maximum for which factory?
  • a)
    B
  • b)
    E
  • c)
    A
  • d)
Correct answer is option 'C'. Can you explain this answer?

G.K Academy answered
If we look closely then we will find that the production of factory A happens to be maximum and thus its average will also be highest.
We can also verify this by calculating the number of widgets individually and dividing it by the number of given years i.e. 6.

Directions: Read the table given below and answer the questions accordingly.
Shares traded in Chandigarh, Punjab, Haryana (In Rupees)
Q. Total of low value of the Punjab region exceeds the total of the low value of the region of Haryana by how much?
  • a)
    17.75
  • b)
    15.67
  • c)
    15.57
  • d)
    None of these
Correct answer is option 'A'. Can you explain this answer?

Iq Funda answered
Total value for the low of the Punjab region for the given companies is 395 + 180 + 23 + 177.5 + 140.5 = 916
whereas the total for the low of the Haryana region is 413.75 + 180 + 24.5 + 177.5 + 102.5 = 898.25.
So it exceeds by 916 – 898.25 = 17.75.

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