Question

Observe the pattern and find the value of ${66667}^2$.
$$7^2=49{67}^2=4489{667}^2=444889{6667}^2=44448889$$

• A. $444488889$
• B. $44448889$
• C. $4444488889$
• D. $44444888889$

Answer 1

The correct option is C $4444488889$

One way is to solve this question by multiplying but that is a very lengthy process.
So we will start observing the pattern
$$7^2=49{67}^2=4489{667}^2=444889{6667}^2=44448889{66667}^2=4444488889$$
Hence, C in the correct option.