Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
720, 720, 360, 120, 30, 6, ___?
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 5
Correct Answer: 1
Solution :
Given:
720, 720, 360, 120, 30, 6, ___?
Divide the number by consecutive natural numbers starting from one to get the next number.
720 ÷ 1 = 720, 720 ÷ 2 = 360, 360 ÷ 3 = 120, 120 ÷ 4 = 30, 30 ÷ 5 = 6, 6 ÷ 6 = 1
So, the required missing term is 1. Hence, the first option is correct.
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