Question

6,18,3,21,7,56-----? ans plz

Answer 1

Hey friend! Your answer is 8.
6 ×3 =18 (1st digit ×3rd digit = 2nd digit)
3×7 = 21(3rd digit × 5th digit = 4th digit)
7×8=56(5th digit × 7th digit = 6th digit)

Answer 2

Concept:

This question requires some basic arithmetic operations and mental ability to understand this question.

Given:

The following series is given, 6,18,3,21,7,56, x.

To find:

We need to find the next term of the series that is, x.

Solution:

Now, we can understand that, 1st term × 3rd term and is placed in between these numbers. Similarly we need to multiply, 3rd term×5th term is then placed between them as shown below.

6 × 3=18

3 × 7=21

7 × x=56

⇒$x=\frac{56}{7}=8$

Therefore, the value of x, i.e. the next number is 8.