## Question

### Solution

Correct option is

{0, 1, 2, 3}

For to be defined, we must have 7 – x ≥ 1 and x – 3 ≥ 0.  Now,  ∴ range of f = {0, 1, 2, 3}.

#### SIMILAR QUESTIONS

Q1

The number of subsets of the set A = {a1a2, … an} which contain even number of elements is

Q2

The number of ways in which we can post 5 letters in 10 letter boxes is

Q3

The number of five digit telephone numbers having at least one of their digits repeated is

Q4

Let P be a prime number such that P  23. Let n = p! + 1. The number of primes in the list n + 1, n + 2, n + 3, … n + p – 1 is

Q5

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Q6

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Q7

A is a set containing n elements. A subset P of A is chosen. The set A is reconstructed by replacing the elements of P. A subset Q of A is again chosen. The number of ways of choosing P and Q so that P  Q = Ï• is

Q8

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Q9

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Q10

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