78,72,66,60,54 what is the next number
48
54, 60, 66, 72, 78, 84, 90, 96.
52, 54, 56, 58, 60, 62, 64, 66, 68, and 70 are.
They are: 54, 60, 66.
42 48 54 60 66
36, 42, 48, 54, 60, 66 and so on.
mean is (54+66)/2 = 60
78
times 2, times 3, times 4, times 5 The next number will be 120
70
120
It is 1000.
66, 60 & 54... You're simply subtracting 6 each time !
54, 60, 66, 72, 78, 84, 90, 96.
66 * 9 = 594 9 x 6 = 54 9 x 60 = 540 54 + 540 = 594
54, 56, 58, 60, 62, 64, 66, 68, 70, 72
52, 54, 56, 58, 60, 62, 64, 66, 68, and 70 are.
100, 90, 81, 73, 66, 60, 55 It's a decreasing sequence 100-10=90 90-9=81 81-8=73 73-7=66 66-6=60 60-5=55