Quiz Discussion

The average monthly income of P and Q is Rs. 6000; that of Q and R is Rs. 5250; and that P and R is Rs. 5500. What is P’s monthly income?

 

Course Name: Quantitative Aptitude

  • 1] Rs. 3500
  • 2] Rs. 4500
  • 3] Rs. 6250
  • 4] Rs. 4800
Solution
No Solution Present Yet

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Find the average of 205, 302, 108, 403, and 202-

  • 1] 450
  • 2] 1125
  • 3] 244
  • 4] 1220
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If 25a + 25b = 115, what is the average of a and b?

  • 1] 2.5
  • 2] 3.4
  • 3] 4.5
  • 4] 4.6
  • 5] None of these
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The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average of C and D is 42 years. Age of E is :

  • 1] 48 years
  • 2] 46 years
  • 3] 42 years
  • 4] 45 years
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There are three categories of jobs A, B and C. The average salary of the student who got the job of A and B categories is 26 lakh per annum. The average salary of the students who got the job of B and C category is 44 lakh per annum and the average salary of those students who got the job of A and C categories is 34 lakh per annum. The most appropriate (or closet) range of average salary of all the three categories (if it is known that each student gets only one category of jobs i.e. , A, B and C):

  • 1] lies between 30 and 44
  • 2] lies between 28 and 34
  • 3] lies between 34 and 44
  • 4] lies between 27 and 44
  • 5] None of these
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A man has 'n' magical eggs whose average weight is 'k' gm. Each of the 'n' eggs produces 'n' eggs next day such that the average weight of 'n' eggs produced is same as that of the parental egg for each 'n' groups individually i.e. each egg produces 'n' eggs of next generation and average weight of all the 'n' eggs of next generation is same as the weight of the mother egg. This process is continued without any change in pattern. What is the total weight of all the eggs of rth generation, where the initial number of eggs with man are considered as the eggs of first generation.

  • 1] rnk
  • 2] rnk
  • 3] nkr
  • 4] nrk
  • 5] None of these
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The present age of a father is 3 years more than three times the age of his son. Three years hence, father's age will be 10 years more than twice the age of the son. The father's age is :

  • 1] 33 years
  • 2] 39 years
  • 3] 45 years
  • 4] 40 years
Solution
7
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The average weight of 21 boys was recorded as 64 kg. If the weight of the teacher was added, the average increased by 1 kg. What was the teacher’s weight?

  • 1] 86 kg
  • 2] 64 kg
  • 3] 72 kg
  • 4] 84 kg
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Students of three different classes appeared in common examination. Pass average of 10 students of first class was 70%, pass average of 15 students of second class was 60% and pass average of 25 students of third class was 80% then what will be the pass average of all students of three classes?

 

  • 1] 74%
  • 2] 75%
  • 3] 69%
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A cricketer whose bowling average is 12.4 runs per wicket takes 5 wickets for 26 runs and thereby decreased his average by 0.4. The number of wickets taken by him the last match was-

  • 1] 64
  • 2] 72
  • 3] 80
  • 4] 85
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Find the average of first 97 natural numbers.

 

  • 1] 47
  • 2] 37
  • 3] 48
  • 4] 49
  • 5] 49.5
Solution
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