Aspire Faculty ID #15051 · Topic: JAMIA MILLIA ISLAMIA MCA 2018 · Just now
JAMIA MILLIA ISLAMIA MCA 2018

In a group of 15 people, 7 read French, 8 read English while 3 of them read none of these two. How many of them read French and English both?

Solution

At least one language $=15-3=12$. Let both $=x$. Then by inclusion–exclusion: $7+8-x=12 \Rightarrow x=3$.

Previous 10 Questions — JAMIA MILLIA ISLAMIA MCA 2018

Nearest first

Next 10 Questions — JAMIA MILLIA ISLAMIA MCA 2018

Ascending by ID
Ask Your Question or Put Your Review.

loading...