Question

24. How many natural number lies between (18)^2 and (19)^2
a) 30
b) 35
c) 86
d) 37​

Answer 1

Answer:

do 19×19 and then 18×18

you ll get 19 sq. as 361

you ll get 18 sq. as 324

now,

361-324=37.

this is the answer!☺️