the average weight of a group of boys is 30 kg. after a boy of weight 35 kg jo

Question

the average weight of a group of boys is 30 kg. after a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. find the number of boys in the group originally ?

Options:

A . 4

B . 5

C . 6

D . 7

Answer: Option A
Explanation :

Was this answer helpful ?

Next Question

Submit Solution

More Questions on This Topic :

Question 1. the average runs scored by a batsman in 20 matches is 40. in the next 10 matches the batsman scored an average of 13 r....13 runs. find his average in all the 30 matches?

Question 2. the average amount with a group of seven numbers is rs. 20. if the newly joined member has rs. 50 with him, what was t....average amount with the group before his joining the group?

Question 3. the average runs scored by a batsman in 20 matches is 40. in the next 10 matches the batsman scored an average of 13 r....13 runs. find his average in all the 30 matches?

Question 4. the average age of seven persons sitting in a row facing east is 28 years. if the average age of the first three perso....of the last three persons is 34 years, then fin

Question 5. the average weight of a group of boys is 30 kg. after a boy of weight 35 kg joins the group, the average weight of the....find the number of boys in the group originally ?

Question 6. a salt manufacturing company produced a total of 5000 tonnes of salt in january of a particular year. starting from fe....increased by 100 tonnes every month over the previous months

Question 7. the average runs scored by a batsman in 20 matches is 40. in the next 10 matches the batsman scored an average of 13 r....13 runs. find his average in all the 30 matches?

Question 8. a salt manufacturing company produced a total of 5000 tonnes of salt in january of a particular year. starting from fe....increased by 100 tonnes every month over the previous months

Question 9. the average weight of a group of boys is 30 kg. after a boy of weight 35 kg joins the group, the average weight of the....find the number of boys in the group originally ?

Question 10. the average amount with a group of seven numbers is rs. 20. if the newly joined member has rs. 50 with him, what was t....average amount with the group before his joining the group?

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0

Submit Solution

More Questions on This Topic :

Latest Videos

Latest Test Papers