4.3 Operations on Statements (Sample Questions 1)


Example 1:
Form a compound statement by combining two given statements using the word ‘and’.
(a) × 12 = 36
 7 × 5 = 35

(b)
5 is a prime number.
 5 is an odd number.

(c)
Rectangles have 4 sides.
 Rectangles have 4 vertices.

Solution:

(a) × 12 = 36 and 7 × 5 = 35
(b) 5 is a prime number and an odd number.
(c) Rectangles have 4 sides and 4 vertices.



Example 2:
Form a compound statement by combining two given statements using the word ‘or’.
(a) 16 is a perfect square. 16 is an even number.
(b) 4 > 3.  -5 < -1

Solution:
(a) 16 is a perfect square or an even number.
(b) 4 > 3 or -5 < -1.