Squaring numbers ending with 5 is a simple trick that you must have in your sleeve.

**Step 1**: Multiply the ones digit. i.e., 5 x 5 = 25

**Step 2**: Multiply the no. and the next no. i.e **n(n+1)**.

Now write the two no.s together and that's the final answer you'll obtain.

e.g 35^2

5 x 5 = 25

Now 3(3+1) = 3(4) =12.

Writing the no.s together we get the answer 1225. which is the square of 35.

*Now try to re-trace the same pattern in the above picture.*

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