# Class 8 RD Sharma Solutions – Chapter 12 Percentage – Exercise 12.1

**Question 1: Write each of the following as percent:**

Explanation:To convert into percent, we need to multiply 100 into the given value.

Note:Don’t forget to writethe percentage sign in your answer.

**a) 7/25**

**Solution: **

(7/25) * 100

= 28%

**b)14/265**

**Solution:**

(14/265) * 100

= 2.24%

**c) 5/8**

**Solution:**

(5/8) * 100

= 62.5%

**d) 0.8**

**Solution:**

(0.8) * 100

= 80%

**e) 0.005**

**Solution: **

(0.005) * 100

= 0.5%

**f) 3:25**

**Solution:**

(3/25) * 100

= 12%

**g)11:80**

**Solution: **

(11/80) * 100

= 13.75%

**h) 111:125**

**Solution: **

(111/125) * 100

= 88.8%

**i) 13:75**

**Solution: **

(13/75) * 100

= 17.33%

**j) 15/16**

**Solution:**

(15/16) * 100

= 93.75%

**k) 0.18**

**Solution:**

(0.18) * 100

=18%

**l) 7/125**

**Solution:**

(7/125) * 100

= 5.6%

**Question 2: Convert the following percentage into fraction and ratios:**

Explanation:To convert percentage into fraction and ratios, we need to divide the number by 100 and reduce the fraction to lowest possible term.

Note:Don’t forget to remove the percentage sign.

**a) 25%**

**Solution:**

25/100 (Divide numerator and denominator by 5)

= 5/20 (Divide numerator and denominator by 5)

= 1/4

=1:4

**b) 2.5%**

**Solution:**

2.5/100

= 25/1000 (Divide numerator and denominator it by 25)

= 1/40

= 1:40

**c) 0.3%**

**Solution:**

0.3/100

= 3/1000

= 3:1000

**d) 125%**

**Solution: **

125/100 (Divide numerator and denominator by 25)

= 5/4

= 5:4

**Question 3: Express the following as decimal fractions:**

Explanation:To convert percent into fraction divide it by 100 and then convert fraction into decimal values.

**a) 27%**

**Solution:**

27/100

= 0.27

**b) 6.3%**

**Solution:**

6.3/100

= 0.063

**c) 32%**

**Solution:**

32/100

= 0.32

**d) 0.25%**

**Solution:**

0.25/100

= 0.0025

**e) 7.5%**

**Solution:**

7.5/100

= 0.075

**f) (1/8)%**

**Solution:**

(1/8)/100 (100 will get multiplied by 8)

= 1/800

= 0.00125