Question

in a group of 800 students in a school, 150 students were found to be taking tea, 225 taking coffe, 100 were taking both tea and coffee. Find how many students were taking neither tea nor coffee​

Answer 1

Answer:

150+225+100=475

475-800=325

therefore 325 students were not taking neither tea nor coffee

Answer 2

Answer:

this can be solved easily by using venn diagrams easily.

else

total no of students = 800

no of students taking tea= 150 = n (T)

no of students taking coffee=225= n(C)

no of students taking both = 100 = n(T)n n(C)

no of students taking tea or coffee

n(T) u n(C) = 150+225-100= 275

no of students taking neither tea nor cofee

= 800-275=525