Question

2,3,5,10,20,40,? Find the missing number

Answer 1

Step-by-step explanation:

60 is the missing term

*2 is follow on the series

Answer 2

The missing number is 80. Let us understand how:

• Here, the first number is 2 and the second number in the series is 3. When we add these two numbers we get 5 which is the third number in the series.
• Now, similarly if we keep adding the previous numbers in the series we get the next number.
• As we can observe that, adding 5 and its previous numbers 2 and 3, we get 10. Adding 10 to its previous numbers 5, 3, and 2 we get 20.
• Similarly adding 20 to its previous numbers 10, 5, 3, and 2 we get 40.
• Hence, when we add all the numbers in the series we get 80.

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