Let ∈ = 0.0005, and Let Re be the relation {(x, y) ∈ R2: |x - y| < ∈], Re could be interpreted as the relation approximately equal. Re is:
A. Reflexive
B. Symmetric
C. Transitive
Choose the correct answer from the options given below:

In a group of 120 people: 65 eat Rice, 45 eat bread, 42 eat curd, 20 eat both Rice and bread, 25 eat both Rice and curd, 15 eat both bread and curd and 8 eat all three items. Which of the following is the number of people who eat at least one of the three items?

In a pack of 42 cards, 3 cards are chosen one after the other. Find the number of ways this can be done without replacement:

Which of these statements about the floor and ceiling functions are correct?
Statement I: ⌊2x⌋ = ⌊x⌋ + ⌊x + (1/2)⌋ for all real number x.
Statement II: ⌈x + y⌉ = ⌈x⌉ + ⌈y⌉ for all real numbers x and y.

Let us assume a person climbing the stairs can take one stair or two stairs at a time. How many ways can this person climb a flight of eight stairs?

For which value of n is Wheel graph Wn regular?

Consider the sentence below:
There is a country that borders both India and Pakistan.
Which of the following logical expressions express the above sentence correctly when the predicate Country(x) represents that x is a country and Borders(x, y) represents that the countries x and y share the border?

How many ways are there to assign 5 different jobs to 4 different employees if every employee is assigned at least 1 job?

Which of the following Graphs is (are) planar?
A.
B.
C.
Choose the correct answer from the options given below:

Let ∈ = 0.0005, and Let Re be the relation {(x, y) ∈ R2: |x - y| < ∈], Re could be interpreted as the relation approximately equal. Re is:
A. Reflexive
B. Symmetric
C. Transitive
Choose the correct answer from the options given below:

In a group of 120 people: 65 eat Rice, 45 eat bread, 42 eat curd, 20 eat both Rice and bread, 25 eat both Rice and curd, 15 eat both bread and curd and 8 eat all three items. Which of the following is the number of people who eat at least one of the three items?