Question

5,28,162,805,3216, ?

Answer 1

Answer:- 9645

5 * 7 – 7 = 28

28* 6 – 6 = 162

162 * 5 – 5 = 805

805 * 4 – 4 = 3216

3216 * 3 – 3 = 9645

5,28,162,805,3216,9645

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Answer 2

The answer is 9645

Given: 5, 28, 162, 805, 3216, ?

To Find: The value of ?

              The next number in the sequence

Solution:

(5 × 7) - 7 = 28 ∵2nd number is found

similarly

(28 × 6) - 6 = 162 ∵3rd number is found

(162 × 5) - 5 = 805 ∵ 4th number

(805 × 4) - 4 = 3216 ∵ 5th number

(3216 × 3) - 3 = ?

The value of ? will be

9648 - 3 = ?

? = 9645

∴ the 6th number is 9645

5, 28, 162, 805, 3216, 9645

Hence, the next number in the sequence is 9645

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