Math, asked by okane004, 11 months ago

There are three groups of students each containing 25, 50 and 25 students the average marks that are obtained by the first two groups are 60 and 50 the combined average of all the three groups is 58 what is the average of the marks that are scored by the third group?

Answers

Answered by sourishpati

0

Step-by-step explanation:

25×60+50×50+25×p/(25+50+25)=58

p= 72

okane004: please Can u explain answer in more detail

Previous Question

Next Question

Similar questions

Science, 6 months ago

An association between algae and fungi a) Insectivorous b) Saprotrophs c) Lichen...

Biology, 6 months ago

What is a aquatic plants?

Economy, 6 months ago

→ conkeyin toy quanhtabine classification Colores Ex of continuous varable. - The no lof obsequations in a class internal is called - The vallo e discelele jariables can be beloken it infinite gradations class mark is the sum of lowerlinsitan upper limit of a clay. -statistical edeculations in Clasified data are bore flower finaitan -step by step explanation...

Social Sciences, 11 months ago

mention any one area of your school in which yoy would like to involve the community for its improvement.

Math, 11 months ago

A person deposited rs 400 for 2years ,rs 550 for 4 years and rs 1200 for 6 years.He received a total interest of rs 1020.What is the rate of interest per annum ? Please give answer in full detail and correct ...

Math, 1 year ago

a sum of rupees 3000 is to be given in the form of 63 price if the price money is other rupees 100 Rs 25 find the number of price of each type...

Math, 1 year ago

in the given figure. the tangent at any point C and the diameter AB when extended intersect at P. if angle PCA is 110°find angle CBA...

Math, 1 year ago

what is the formola of Celsius scale to fahrenheit...