Question

When a number is increased by 1/20, it becomes 111 % of itself. What is the number? जब किसी संख्या में 1/20 जोड़ा जाता है तो स्चयं का 111 % हो जाता है । संख्या क्या होगी ?

(a) 10

(b)50

(c)25

(d)40

(e)20​

Answer 1

Answer:

The number is \frac{9}{20}

20

9

.

Step-by-step explanation:

Let the number be x.

It is provided that:

x+\frac{1}{20}=111\frac{1}{9}\%\times xx+

20

1

=111

9

1

%×x

Solve for x as follows:

\begin{gathered}x+\frac{1}{20}=\frac{1000}{900}\times x\\\frac{10}{9}x-x=\frac{1}{20}\\\frac{10x-9x}{9}=\frac{1}{20}\\x=\frac{9}{20}\end{gathered}

x+

20

1

=

900

1000

×x

9

10

x−x=

20

1

9

10x−9x

=

20

1

x=

20

9

Thus, the number is \frac{9}{20}

20

9

.