If 10 less than a number is 65, then the number is_______.
Step 1: Form a relation from the given data.
Assume the number to be x.
According to the question
x-10=65
Step 2: Solve for the value of x.
x-10=65āx=65+10āx=75
Therefore, the number is 75.
Question 45
Fill in the blanks to make the statement true.
If 10 less than a number is 65, then the number is ..............
If U= set of all whole numbers less than 12, A=set of all whole numbers less than 10, B= Set of all odd natural numbers less than 10, then what is (A ∩ B)'?
If A = {1, 3, 5, 7, 9} and B = {2, 4, 6, 8}, then the set builder representation of A U B is