Practice Question and Answer

Q:

Piyush formed a larger cube from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?

853 0

  • 1
    6 : 5
    Correct
    Wrong
  • 2
    5 : 6
    Correct
    Wrong
  • 3
    25 : 18
    Correct
    Wrong
  • 4
    18 : 25
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "25 : 18"

Q:

Average age of x students in a group is 20. When 4 new students are admitted with a age of 7.5 years each, then the average is decreased by 5. What is the value of x?

1126 0

  • 1
    5
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
  • 5
    4
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "6"

  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Either I or III follows"

Q:

Directions: In the following question below some statements are given followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusions logically follows the given statements.

Statement:

Some finger are nails.

Only a few nails are toe.

Only toe is poly.

Conclusion:

I. Some nail is poly.

II. Some finger is toe.

1792 0

  • 1
    Only conclusion I follows
    Correct
    Wrong
  • 2
    Either conclusion I or II follows
    Correct
    Wrong
  • 3
    Only conclusion II follows
    Correct
    Wrong
  • 4
    Both conclusions I and II follow
    Correct
    Wrong
  • 5
    Neither conclusion I nor II follow
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 5. "Neither conclusion I nor II follow"

  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Only conclusion II is true"

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully