4.2 Quantifiers ‘All’ and ‘Some’ (Sample Questions)

Example 1:
Complete each of the following statements using the quantifiers ‘all’ or ‘some’ to make the statement true.
(a) _____ rectangles are squares.
(b) _____ prime numbers are odd numbers.
(c) _____ triangles have equal sides.
(d) _____ even numbers are divisible by 2.

Answer
:
(a) Some rectangles are squares.
(b) Some prime numbers are odd numbers.
(c) Some triangles have equal sides.
(d) All even numbers are divisible by 2.



Example 2:
Construct a true statement using the quantifier ‘all’ or ‘some’ for the given object and property.
(a) Object: multiples of 4
 Property: can be divided exactly by 5
(b) Object: regular hexagon
 Property: 6 equal sides
(c) Object: acute angles
 Property: less than 90o

Answer:
(a) Some multiples of 4 can be divided exactly by 5.
(b) All regular hexagons have 6 equal sides.
(c) All acute angles are less than 90o.

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