• # question_answer Find the least square number which is exactly divisible by each of the numbers 6, 9, 15 and 20. A)  32400   B)  16200          C)  8100                           D)  129600

(a): LCM of 6, 9, 15, 20 $6\times 9\times 15\times 20=16200$ MULTIPLES of 16200 are 32400, 48600 & C. $32400={{\left( 180 \right)}^{2}}$ Answer is: 32400.