Self Studies
Self Studies
Self Studies
Self Studies
Selfstudy
Selfstudy

Statistics Test...

TIME LEFT -
  • Question 1
    1 / -0

    The mean weight of 150 students in 6th class is 60 kg. The mean weight of boys in the class is 70 kg and that of girls is 55 kg. The number of boys and girls in the class are respectively

  • Question 2
    1 / -0

    The average marks scored by 30 students in a test are 78. The marks of student A were marked 62 instead of 78, and the marks of student B were marked 98 instead of 55. Find the correct average of marks scored by the 30 students.

  • Question 3
    1 / -0

    The average marks scored by Harpreet and Gurpreet in three tests are 57 and 61, respectively. If the ratio of the marks scored by them in English is 7 : 9, find the average marks of Gurpreet in the other two tests, given that the average marks scored by Harpreet in the other two subjects were 54.

Submit Test
Self Studies
User
Question Analysis

  • Answered - 0

  • Unanswered - 3

  • 1
  • 2
  • 3
Submit Test
Self Studies Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Self Studies
Click on Allow to receive notifications
Allow Notification
Self Studies
Self Studies Self Studies
To enable notifications follow this 2 steps:
  • First Click on Secure Icon Self Studies
  • Second click on the toggle icon
Allow Notification
Get latest Exam Updates & FREE Study Material Alerts!
Self Studies ×
Open Now