We have,
L.C.M. of 9,12,15,14=1260
Then,
29×140140=2801260
512×105105=5251260
715×8484=5881260
1014×9090=9001260
Descending order
9001260>5881260>5251260>2801260
1014>715>512>29
Compare the following rational numbers and choose the correct option(s): 4−9, 5−12, 7−18, 2−3