Question

Choose the correct option: -
1- The product of any two irrational numbers is
a) Always an irrational
b) Always an integer
c) Always a rational number
Sometimes rational sometime rational
2- Degree of the linear polyromial is : -
d) 4
a) 1
b) 2
c)3
3- (-4,-4) is situated in which quadrant.
a) First b) Second
c) Third
d) Fourth
4- How many interwoven isosceles triangles. In rigmit inn the Athorva veda is
Shriyantra
d) Eleven
Nine
a) Seven
b) Eight
5- Pythagoras was a student of
d) Archimedes.
c) Both (a)and (b)
a) Thales
b) Euclid​

Answer 1

This is so unclear how will anyone even answer it. pls send it properly

Answer 2

Answer:

Let the sum of money that's principal be x.

Time=8 years

Amount after 8 years becomes double=2x

Therefore,

Simple interest=Amount -principal=2x−x=x

Rate per annum =

P×T

S.I×100

= x×8x×100

= 8100

= 225

=12.5%

Then,

We get interest of 8years is 12.5%