307.12            (ii)  9543.025       (iii)  12.503

Find the cube of (i)4 (ii) 6 (iii) 12.

It x\ a n d\ y vary inversely, fill in the following blanks: (i) x 12 16 ... 8 ... y ... 6 4 ... 0.25 (ii) x 16 32 8 128 y 4 ... ... 0.25 (iii) x, 9, ..., 81, 243 y, 27, 9, ..., 1

Divide (i) 0.196 by 1.4 (ii) 39.168 by 1.2 (iii) 0.228 by 0.38

5.4(ii)12.04(iii)9.075(iv)0.526

Compare the fractions: Q 5/8 "and 7/12" , (ii) 5/9 "and 11/15" (iii) 11/12"and"15/16

Find the quotient in each of the following: (i) (-1728)-:12 (ii) (-15625)-:(-125) (iii) 30000-:(-100)

Express each of the following as a percentage : (i) (9)/(25) " " (ii) (3)/(125) " " (iii) (12)/(5 )

Find the HCF and LCM of the following by prime factorisation method : (i) 12 and 15 (ii) 20 and 25 (iii) 28 and 42

Find the cubes of : -11 (ii) -12 (iii) -21

Find the cubes of : -11 (ii) -12 (iii) -21