Question

If X = 8 + (1× 2 × 3 × 4 × 5 × 6 × 7 × 8) and Y = 11 + (1× 2 × 3 × 4 × 5 × 6 ×…× 11), then which

of the following is / are true?

I. X is a composite number

II. Y is a prime number

III. X – Y is a prime number

IV. X + Y is a composite number.

a) Both II and III b) Both I and IV

c) Both II and IV d) Both I an​

Answer 1

Answer:

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