Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
Download
Average tricks- Persons come and go out (In Hindi)
200 plays

More
This course is highly recommended to all the students who are preparing for SSC and In these videos we have discussed all important concepts , tricks and questions.

Abhilash Kumar
Online Educator Cleared SSC CGL, RRB & UGC NET. Teaching from 4 years in many recognize institutes of Kanpur.

U
Unacademy user
Q8 6 ke base me 8 nahi aaya means
Varsha Agarwal
9 months ago
Means a base hasw the 0 - n-1 symbol so if base is 6 then only its have 0-5 symbols
Varsha Agarwal
9 months ago
To better understand the concept join live class join plus sunscription . If u want 10 % discount apply the referral code Varshagarg08
Varsha Agarwal
9 months ago
New bacth is start 14 march and for enquires feel free to msg me
Asha H. Nagoriya
9 months ago
fees?
Asha H. Nagoriya
9 months ago
fees?
Varsha Agarwal
9 months ago
1800 rs per month n 1350 per month if u applied for 6 month n 900 rs per month if u applied for 1 yr
Varsha Agarwal
9 months ago
N get 10% discount if u applied my reffrel code Varshagarg08
A
sir very helpful video
A
sir very helpful video
  1. ARITHMATIC MATHS CRASH COURSE FOR FREE AVERAGE (PART-2)


  2. Out of 10 teachers of a school, one teacher retires and in placed of him a new teacher 25 yrs came. As a result of it average age of the teachers reduces by 3yrs. Age of the retired teacher is a) 55 b) 65 c) 75 d)45


  3. = 30%


  4. The average age of 8 persons is increased by 2 years, when one of them, whose age is 24 years is replaced by a new person. The age of the new person is a) 42 years b) 40 years c) 45 year:s d)38 years



  5. The average age of 8 men is increased by 2 years when two of them whose age are 21 and 23 years replaced by two new men. The average age of the two new men is a) 22 years b)24 years c) 30 year:s d)28 years



  6. Average weight of 25 persons is increased by 1 kg when one man weighting 60 kg is replaced by a new person. Weight of new person is a) 50 kg b)61 kg c) 86 kg d)85 kg



  7. The average age of 11 players of a cricket team is increased by 2 months when two of them aged 18 years and 20 years are replaced by two new players. The average age of the new players is a) 19 years 1 month b)19 years 6 month c) 19 years 11 montlh d)19 years 5 month


  8. 38 st


  9. THANKS FOR WATCHING RATE LIKE unacademy ENROLL/SAVE FOLLOW


  10. If the average weight of 6 students is 50 kg. If two student of average age of 51 kg added and other students of average age of 55 kg also added then the average weight of all students is a) 51.5 kg b) 61 kg c) 51.2kg d)52 kg


  11. The average marks of 100 students were found to be 40. Later on it was discovered that a score of 53 was misread as 83. Find the correct average corresponding to the correct score. a) 39 kg b) 41 kg c) 38.7 kg d)39.7 kg


  12. The average of 18 observations is recorded as 124. Later it was found that two observations with values 64 and 28 were entered wrongly as 46 and 82. Find the correct average of the 18 observations. a) 122 b) 123 c) 111(7/9) d)137(3/9)


  13. Activate Windows




  14. be divided .irdo


  15. THANKS FOR WATCHING RATE LIKE unacademy ENROLL/SAVE FOLLOW