I) Increase the number 512 in a ratio 5:8.

ii) Decrease the number 117 in a ratio 2:3.

iii) Compare in ascending 5.32, 5.21, 15.321, 5.021.

iv) Decrease 22 5 in ratio 15:7.

v) Simplify:- 128.32 + 32.3 - 21.705.

vi) Write the place value of 3 in 0.358.

vii) Write in simplest form 0.8.

viii) There are 10 roses, 8 Lotus and 12 lilies. Write the ratio of roses to lilies.

ix) Divide Rs 84 in the ratio 3:4.

x) Divide 154 into ratio 11:1.​