1. The no. of arrangements when out of 10 different things 5 taken at a times is ^(10)P5.

Question

State whether the statements True or False.

1. The no. of arrangements when out of 10 different things 5 taken at a times is ¹⁰P₅.

2. The number of selection when 2 men are selected from 5 men is ⁵C₂.

3. The number of selection of n different thing taken 5 at a time is ⁿC₀.

4. The number of arrangement always greater than the number of selections.

5. If ⁿC_x = ⁿC_y, then x = n - y.

Answer 1

1. True

2. True

3. False

4. False

5. True