Question

The square of ' a number added to 7 ' is 324. what is the number ?​

Answer 1

answer:- 11

explanation:-

let the find according to question

a no. -- x

whose added to no. -- 7

and there square is 324

all square of 1 to 20 because these square between. 1 to 400

1=1

2=4

3=9...................

18=324

19=361

20=400

OK we will find the square of 324

is 18

and

x= 18–7

x=11

then we will given answer = 11 ::answer::