Question

The resultvof a number, wheb decreased by 20%, is 192. Find the number?

Answer 1

$\sf\large\underline{Let:}$

$\rm{\implies The\: number\:be\:x}$

$\sf\large\underline{To\: Find:}$

$\rm{\implies The\:number=?}$

$\sf\large\underline{Given:}$

when a number is decreased by 20%. The number comes 192]

$\sf\large\underline{Solution:}$

$\rm{\implies x\times\:20\%=192}$

$\rm{\implies x\times\:20=192\times\:100}$

$\rm{\implies20x=19200}$

$\rm{\impliesx=960}$

$\bf\large{Hence,}$

$\rm{\implies The\:number=960}$

• Some information about it

When we have to find out the unknown value of anything. By assuming the value be x we can easily find out those which you want to calculate the value of anything. So, before solving question we must consider that any unknown value is given than 1st we have to assume the value be x.

Answer 2

Answer:

YOUR QUESTION :

The resultvof a number, wheb decreased by 20%, is 192. Find the number?

YOUR ANSWER :

Given :

when a number is decreased by 20%. The number comes 192.

To find :

The number = ?

Let :

The number be x.

Solution :

$x \times 20\% = 192 \\ = > x \times 20 = 192 \times 100 \\ = > 20x = 19200 \\ = > x = \frac{19200}{20} \\ = > x = 960$

ANSWER : 960.