15 x 16 = 240
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15, 16 or -16, -15Let x be the first number & then x+1 will be the next numberso,x*(x+1) = 240x2+x-240 = 0Now use the quadratic formula to find the roots: a=1, b=1, c=-240Doing that the roots the equation are 15, -16So the two consecutive numbers whose product is 240 is either 15 & 16 or-16 & -15.
The numbers are 57, 59, 61 and 63.
The product is 240
The numbers are 57, 59, 61 and 63.
60 x 4 = 240