Question

array A N om first
[
ln ^{2} n^{2} cdot n^{3} m^{5}=l^{4}
]
how ovt of 5 choin you can choss 12 3
[
begin{aligned}
=&leftlfloor 4^{3}, L 2=24 times 6right.
&=144
end{aligned}
]

# od RANDOM' are arranged in all possible ways. The number of arrangements 140 The letters of the word RANDOM are am in which there are 2 letters between R and D is 1) 36 2) 48 3) 144 4)72

Solution