Question

Four consecutive multiples of 10 have a sum of 300. What is the least of these numbers?

Answer 1

60 + 70 + 80 + 90  = 300

K. 60

Answer 2

20 + 30 + 40 + 50 = 140 -No

30 + 40 + 50 + 60 = 180 -No

40 + 50 + 60 + 70 = 220 -No

50 + 60 + 70 + 80 = 260 -No

60 + 70 + 80 + 90 = 300 -Yes

Your final answer:
K. 60