Question

iii) Find an easy method to compute squares of number
ending in 5.​

Answer 1

Answer:

I want to share method

for squarring number ending with 5 like 65

follow the steps

6+1X6=42

5X5=25

the suqaure is 4200+25

=4225

Answer 2

Answer:

then you have to multiply 5×5

or multiply 5 with it self 1 time

take an example 55

5×5+1/5×5

5×6/25

30/25

3025