logo

CuriousTab

CuriousTab

Discussion


Home Aptitude Average Comments

  • Question
  • The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person ?


  • Options
  • A. 70 kg
  • B. 75 kg
  • C. 80 kg
  • D. 85 kg

  • Correct Answer
  • 85 kg 

    Explanation

    Total weight increased = (8 x 2.5) kg = 20 kg.

    Weight of new person = (65 + 20) kg = 85 kg.


  • Average problems


    Search Results


    • 1. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?

    • Options
    • A. 0
    • B. -1
    • C. 1
    • D. none of these
    • Discuss
    • 2. A grocer has a sale of Rs 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs, 6500 ?

    • Options
    • A. 4991
    • B. 5467
    • C. 5987
    • D. 6453
    • Discuss
    • 3. The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4 ?

    • Options
    • A. 76
    • B. 79
    • C. 85
    • D. 87
    • Discuss
    • 4. Length and breadth of a rectangle are 8 cm and 6 cm respectively. The rectangle is cut on its four vertices such that the resulting figure is a regular octagon. What is the side (in cm) of the octagon?

    • Options
    • A. 3(?11) ? 7
    • B. 5(?13) ? 8
    • C. 4(?7) ? 11
    • D. 6(?11) ? 9
    • Discuss
    • 5. ABC is a triangle. AB = 5 cm, AC = ?41 cm and BC = 8 cm. AD is perpendicular to BC. What is the area (in cm2) of triangle ABD?

    • Options
    • A. 12
    • B. 6
    • C. 10
    • D. 20
    • Discuss
    • 6. The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers :

    • Options
    • A. 4
    • B. 8
    • C. 12
    • D. 16
    • Discuss
    • 7. The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is :

    • Options
    • A. 45 kg
    • B. 46 kg
    • C. 47 kg
    • D. 48 kg
    • Discuss
    • 8. The average of 7 consecutive numbers is 20. The largest of these numbers is :

    • Options
    • A. 21
    • B. 22
    • C. 23
    • D. 24
    • Discuss
    • 9. The mean temperature of Monday to Wednesday was 37 degree celsius and of Tuesday to Thursday was 34 degree celsius . If the temperature on Thursday was (4/5) th that of Monday, the temperature on Thursday was?

    • Options
    • A. 38 degree celsius
    • B. 36 degree celsius
    • C. 40 degree celsius
    • D. 39 degree celsius
    • Discuss
    • 10. After replacing an old member by a new member, it was found that the average age of five members of a club is the same as it was 3 years ago. What is the difference between the ages of the replaced and the new member ?

    • Options
    • A. 12
    • B. 13
    • C. 14
    • D. 15
    • Discuss


    Comments

    There are no comments.

Enter a new Comment