Identify the statements that are true. The expression 4m - 1 always gives odd numbers. Class 7

Identify the statements that are true. The expression 4m - 1 always gives odd numbers. Class 7

Question 1.

Identify the statements that are true. Class 7

(a) The expression 4m - 1 always gives odd numbers.

Solution:

True

(b) All even numbers can be expressed as 6j - 4.

Solution:

False

(c) Both expressions 2p + 1 and 2q - 1 describe all odd numbers.

Solution:

False

(d) The expression 2f + 3 gives both even and odd numbers.

Solution:

False

Question 2.

Solve this cryptarithm :

Solution:

So, U = 9, T = 1 and A = 0.