# Write the negation of the following. 11 < 15 and 25 > 20 - Mathematics and Statistics

Sum

Write the negation of the following.

11 < 15 and 25 > 20

#### Solution

Let p: 11 < 15,
q: 25 > 20
Then the symbolic form of the given statement is p∧q.
Since ∼ (p ∧ q) ≡ ∼ p ∨ q, the negation of the given statement is:
11 ≥ 15 or 25 ≤ 20

Concept: Negations of Compound Statements
Is there an error in this question or solution?