Maths Practice Question and Answer

Q:

If 3 sin x + 5cosx = 5 then what is the value of (3cosx - 5sinx)

1735 0

  • 1
    0
    Correct
    Wrong
  • 2
    3
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    2
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "3"

Q:

There are 100 students in 3 sections A, B and C of a class. The average marks of all the 3 sections was 84. The average of B and C was 87.5 and the average marks of A is 70. The number of students in A was. 

1735 0

  • 1
    20
    Correct
    Wrong
  • 2
    25
    Correct
    Wrong
  • 3
    30
    Correct
    Wrong
  • 4
    35
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "20 "

Q:

The sum of two numbers is 29, the difference between the squares of those numbers is 145. There will be a difference of those numbers.

1734 0

  • 1
    13
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "5"

Q:

 A 450 meter long train crosses a bridge 650 meters long in 36 seconds. What is speed (in km/hr) of the train? 

1732 0

  • 1
    125
    Correct
    Wrong
  • 2
    150
    Correct
    Wrong
  • 3
    110
    Correct
    Wrong
  • 4
    95
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "110"

Q:

Direction : Given here is a multiple bar diagram of the scores of four players in two innings. Study the diagram and answer the questions.

The average runs of two innings of the player who scored highest in average are : 

1732 0

  • 1
    70
    Correct
    Wrong
  • 2
    80
    Correct
    Wrong
  • 3
    85
    Correct
    Wrong
  • 4
    75
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "70 "

Q: The average of goods produced by a company every month is 4000 of average of last 3 month’s production. How many average goods should they produce every month in next 9 months so their monthly average production during a year will be 4375? 1731 1

  • 1
    4500
    Correct
    Wrong
  • 2
    4600
    Correct
    Wrong
  • 3
    4680
    Correct
    Wrong
  • 4
    4710
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "4500"
Explanation :

undefined

Q:

If 5a=3125, then the value of 5(a-3) is:

1731 0

  • 1
    25
    Correct
    Wrong
  • 2
    125
    Correct
    Wrong
  • 3
    625
    Correct
    Wrong
  • 4
    1625
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "25"

Q: A Train when moves at an average speed of 40 kmph, reaches its destination on time. When its average speed becomes 35 kmph, then it reaches its destination 15 minutes late. Find the length of journey. 1731 0

  • 1
    30 km
    Correct
    Wrong
  • 2
    40 km
    Correct
    Wrong
  • 3
    70 km
    Correct
    Wrong
  • 4
    80 km
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "70 km"

      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