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  • Question
  • The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is :


  • Options
  • A. 25
  • B. 35
  • C. 45
  • D. 55

  • Correct Answer
  • 35 

    Explanation

    Excluded number = (27 x 5)  -  (25 x 4) = 135 - 100 = 35.


  • Average problems


    Search Results


    • 1. Find the average of first 50 natural numbers?

    • Options
    • A. 25
    • B. 25.5
    • C. 26
    • D. 26.5
    • Discuss
    • 2. The average marks of a student in 7 subjects is 85. His average marks in 6 subjects except English is 83. What is his marks in English ?

    • Options
    • A. 97
    • B. 98
    • C. 92
    • D. 93
    • Discuss
    • 3. Navaneet has thrice the money Poonam has and Poonam has 25% more money than Hebah. If the average money of the three is Rs. 350, What is the amount that Navaneet has ?

    • Options
    • A. Rs. 175
    • B. Rs. 220.75
    • C. Rs. 218.55
    • D. Rs. 656.25
    • Discuss
    • 4. Third proportion of 10 and 20 is

    • Options
    • A. 30
    • B. 40
    • C. 25
    • D. 20
    • Discuss
    • 5. There are 100 students in 3 sections A, B and C of a class. The average marks of all the three sections was 84. The average of B and C was 87.5 and the average marks of students in A section was :

    • Options
    • A. 20
    • B. 35
    • C. 54
    • D. 40
    • Discuss
    • 6. The average age of 36 students in a group is 14 years. When the teacher's age is included in it, the average increases by one. The teacher's age in years is

    • Options
    • A. 31
    • B. 51
    • C. 36
    • D. 54
    • Discuss
    • 7. P, Q, R, S, T and U are six consecutive odd numbers and their average is 52. What is the product of P and U ?

    • Options
    • A. 2212
    • B. 2154
    • C. 2349
    • D. 2679
    • Discuss
    • 8. In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?

    • Options
    • A. 6
    • B. 12
    • C. 24
    • D. 18
    • Discuss
    • 9. The average of 9 results is 50. The average of the first four results is 52 and the average of the last four results is 49. what is the fifth result?

    • Options
    • A. 48
    • B. 46
    • C. 52
    • D. 44
    • Discuss
    • 10. The average price of three items of furniture is Rs. 15000. If their prices are in the ratio 3:5:7, the price of the cheapest item is :

    • Options
    • A. 6000
    • B. 7000
    • C. 8888
    • D. 9000
    • Discuss


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