Which number is the greatest in the given list?

1. 67,05,432

2. 6,70,543

3. 76,05,432

4. 67,50,432

Which of the following statements is true?

1. -8 is greater than -5

2. |-12| = -12

3. (-9) + (-3) = -12

4. 0 is the smallest negative integer

Which of these numbers is not divisible by 9?

1. 729

2. 486

3. 634

4. 891

If A = {3, 6, 9, 12}, then n(A) =

1. 3

2. 4

3. 6

4. 12