How many can speak both english and russian, Mathematics

Assignment Help:

In a group of 1000 people, there are 750 people will speak English and 400 people will speak Russian. How many may speak English only? How many will speak Russian? How many can speak both English and Russian?

Solution:              Total number of people = 1000

                n (E) = 750

                n (R) = 400

                n (E υ R) = n (E) + n (R) - n (E ∩R)

                n (E ∩ R) = 750 + 400 - 1000

                = 150 speaking English and Russian both.

                People speaking only English = n (E) - n (E∩R) = 750 - 150 = 600

                People speaking only Russian = n (R) - n (E∩ R) = 400 - 150 = 250.

 


Related Discussions:- How many can speak both english and russian

Explain adding negative fraction, Explain Adding Negative Fraction? To...

Explain Adding Negative Fraction? To add negative fractions: 1. Find a common denominator. 2. Change the fractions to their equivalents, so that they have common denominators

Three dimensional geometry, Three Dimensional geometry Intorduction ...

Three Dimensional geometry Intorduction In earlier classes we studied about the coordinates in two planes that is the XY plane. Here we are going to study in detail about th

Determine the height of the washington monument, Determine the height of th...

Determine the height of the Washington Monument to the nearest tenth of a meter. a. 157.8 m b. 169.3 m c. 170.1 m d. 192.2 m c. The height of the monument is the add

Help me please, Cristiano Ronaldo runs 33.6 kilometres per hour. Usain Bolt...

Cristiano Ronaldo runs 33.6 kilometres per hour. Usain Bolt set world record for running 100 m at 9.58 sec. Show me how to compare these two sportsmen. Step by step.

Standard basis vectors - calculus, Standard Basis Vectors The vector th...

Standard Basis Vectors The vector that is, i = (1, 0,0) is called a standard basis vector.  In three dimensional (3D) space there are three standard basis vectors, i → = (1

Quantitative, A lobster catcher spends $12 500 per month to maintain a lobs...

A lobster catcher spends $12 500 per month to maintain a lobster boat. He plans to catch an average of 20 days per month during lobster season. For each day, he must allow approx

Algebra, find the value of A and B if the following polynomials are perfect...

find the value of A and B if the following polynomials are perfect square:

Neuro marketing, Does neuro marketing give impetus to new consumer behavio...

Does neuro marketing give impetus to new consumer behaviour

The multiplication algorithm, THE MULTIPLICATION ALGORITHM :  Some Class 3...

THE MULTIPLICATION ALGORITHM :  Some Class 3 children in a nearby school had been taught the standard multiplication. Algorithm, and had even done reasonably well in the tests bas

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd