**ML Aggarwal CBSE Solutions Class 7 Math 2nd Chapter Fractions and Decimals Exercise 2.5**

**(1) Write the following numbers in the expanded form:**

**(i) 20.03 (ii) 200.03 (iii) 2.034**

**(2) Write the place value of digit 2 in the following numbers:**

**(i) 2.56 (ii) 21.37 (iii) 10.25 (iv) 63.352**

**Solution: **

**(3) Convert the following decimal numbers to fractions (in simplest form):**

**(i) 0.8 (ii) 0.225 (iii) 0.0092 (iv) 3.025**

**(4) Convert the following to mixed fractions:**

**(i) 5.05 (ii) 63.125 (iii) 17.075 (iv) 317.0006**

**(5) Convert the following fractions into decimal fractions:**

**(i) 0.5 or 0.05 (ii) 7 or 0.7 (iii) 2.03 or 2.30 (iv) 0.8 or 0.88**

**(6) Which is greater?**

**(i) 0.5 or 0.05 (ii) 7 or 0.7 (iii) 2.03 or 2.30 (iv) 0.8 or 0.88**

**(7) Arrange the following decimal numbers in ascending order:**

**(i) 38.02, 38.021, 3.802, 83.02, 38.002**

**(ii) 46.542, 46.452, 46.254, 46.05, 64.542, 46.0542**

**Solution: **

Now arranging into ascending order,

= 46.05, 46.0542, 46.254, 46.452, 46.542, 64.542

**(8) Arrange the following decimal numbers in descending order:**

**(i) 5.6, 0.93, 1.87, 1.9, 1.78, 0.39**

**(ii) 71.201, 20.1, 2.01, 3.1, 2.14, 0.652**

**(9) Express as rupees using decimals:**

**(i) 7 paise (ii) 77 rupees 77 paise (iii) 235 paise**

**Solution: **

**(10) Express 5 cm in metre and kilometre.**

**(11) Express in kg using decimals:**

**(i) 200 g (ii) 3470 g (iii) 4 kg 8 g.**

**(12) Add:**

**(i) 5.765, 9.2, 3.08 (ii) 15.49, 8.3572, 0.903, 7.8**

**(13) Workout the following:**

**(i) 72.53 – 46.782**

**(ii) 18.376 – 5.43 – 8.8976**

**(iii) 28.5 – 9.708 – 6.234**

**(iv) 8.2 – 4.56 – 0.7912 + 2.67**

**(14) (i) What number added to 3.56 gives 13.016?**

**(ii) What number should be subtracted from 30 to get 23.709?**

**(iii) What is the excess of 20.4 over 9.7403?**

**Solution: **