What number goes in the box that has the question mark in it?

Question

Answer 1

12*3=36;
36*4=144;
144*5=720

Answer 2

720
ie. (12 * 3) = 36, (36 * 4) = 144, (144 * 5) = 720

Answer 3

ans is 720.....

Answer 4

720 goes in the box that has the question mark in it.

Answer 5

5X3 = 15, 15X4=60, 60X5=300 simliarly 12X3=36, 36X4=144, 144*5=720

Regards,
Himanshu K Ratnottar.

Answer 6

Ans is 720.
144 * 5 = 720