Question

viii) {x | x is an even natural number less than 10, 000}​

Answer 1

Answer:

How many natural numbers that are less than 10,000 can be formed using the digits 0, 1, 2, 3, 4, 6, 7 & 8?

A. 5000

B. 4096

C. 6560

D. 4095

E. 8000

Answer 2

A={2,4,6},B={2,3,5}

n(A×B)=3×3=9

Number of relations from A to B is 9/2