Question

What number should be divided by √0.25 to give the results as 25?
a) 12.5
b) 25
c) 50
d) 125
e) None of these

Answer 1

Hey there!

Let the number be x
Then,

$\frac{x}{ \sqrt{0.25} } = 25$

$\frac{x}{ \sqrt{ \frac{1}{4} } } = 25$

$\frac{x}{ \frac{1}{2} } = 25$

2x = 25
x = 25/5
= 12.5

Hence, a) 12.5 Is the answer.

Hope it helps!

Answer 2

Answer:

a) 12.5

Step-by-step explanation:

let's solve √0.25 first

√0.25 = 0.5

let the no. be x

x/0.5 =25

x= 25x0.5

x =12.5