Quiz Discussion

The average temperature for the first four days of a week is 40.2° C and that of the last four days is 41.3° C. If the average temperature for the whole 40.6°C, then the temperature on the fourth day is-

Course Name: Quantitative Aptitude

  • 1] 40.8° C
  • 2] 41.3° C
  • 3] 41.8° C
  • 4] 38.5° C
Solution
No Solution Present Yet

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# Quiz
1
Discuss

The average expenditure of a man for the first five months is Rs. 1200 and for the next seven months is Rs. 1300. If he saves Rs. 2900 in that year, his monthly average income is-

  • 1] Rs. 1500
  • 2] Rs. 1600
  • 3] Rs. 1700
  • 4] Rs. 1400
Solution
2
Discuss

The average marks of four subjects is 120. If 33 was misread as 13 during the calculation, what will be the correct average?

 

  • 1] 122
  • 2] 120
  • 3] 125
  • 4] 121
Solution
3
Discuss

The average of 50 numbers is 30. If two numbers, 35 and 40 are discarded, then the average of the remaining numbers is nearly:

  • 1] 28.32
  • 2] 29.68
  • 3] 28.78
  • 4] 29.27
Solution
4
Discuss

Five years ago the average age of A, B, C, D was 45 years. By including X the present average of all the five is 49 years. Them the present age of X is-

  • 1] 40 years
  • 2] 45 years
  • 3] 48 years
  • 4] 64 years
Solution
5
Discuss

Of the three numbers, the first is twice the second and the second is twice the third. The average of the reciprocal of the numbers is 7/72. The numbers are:

 

  • 1] 36, 18, 9
  • 2] 24, 12, 6
  • 3] 20, 10, 5
  • 4] 16, 8, 4
Solution
6
Discuss

There were 35 students in a hostel. Due to the admission of 7 new students the expenses of the mess were increased by Rs.42 per day while the average expenditure per head diminished by Re 1. What was the original expenditure of the mess?

  • 1] Rs. 450
  • 2] Rs. 320
  • 3] Rs. 550
  • 4] Rs. 420
Solution
7
Discuss

A librarian purchased 50 storybooks for his library. But he saw that he could get 14 books more by spending Rs. 76 more but per book average becomes Rs. 1 less. The average price (in Rs.) of each book he bought, was :

  • 1] 15
  • 2] 25
  • 3] 20
  • 4] 10
Solution
8
Discuss

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
Solution
9
Discuss

A man started his journey from Lucknow to Kolkata, which is 200 km, at the speed of 40 kmph then he went to Banglore which is 300 km, at the speed of 20 kmph. Further he went to Ahmedabad which is 500 km, at the speed of 10 kmph. The average speed of the man is :

  • 1]

    kmph

  • 2]

    Kmph

  • 3]

    15.6 kmph

  • 4]

    16.1 kmph

Solution
10
Discuss

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

  • 1] 450
  • 2] 1125
  • 3] 244
  • 4] 1220
Solution
# Quiz