Which ratio is larger in the following pairs? (i)`4:7\ or\ 5:8` (ii) `9: 20\ or\ 8: 13` (iii)`1:2\ or\ 13 : 27`

Which ratio is larger in the following pairs? 3:4\ or\ 9: 16 (ii) 15 : 16\ or\ 24 : 25

Which ratio is larger in the following pairs? (i) 3:4 or 9:16 (ii) 15:16 or 24: 25 (iii) 4:7 or 5:8 (iv) 9:20 or 8:13 (v) 1:2 or 13:27

Which of the two rational numbers is greater in each of the following pairs? (i) 3/-7 or 1/7 , (ii) 11/(-18) or -5/18 , (iii) 7/10 or -9/10 (iv) 0 or -3/4 , (v) 1/12 or 0, (vi) 18/(-19) or 0 (vii) 7/8 or 11/16 , (viii) 11/-12 or -10/11 , (ix) -13/5 or -4 (x) 17/(-6) or -13/4 , (xi) 7/(-9) or -5/8 , (xii) -3/(-8) or 5/9

Which number in each of the following pairs is smaller? (i) 0,\ -4 (ii) -3,\ 12 (iii) 8,\ 13 (iv) -15 ,\ -27

Which number in each of the following pairs is larger? (i) 3,\ -4 (ii) -12,\ -8 (iii) 0, 7 (iv) 12 ,\ -18

Write each of the following as decimals: (i) 12 1/4 (ii) 7 1/8 (iii) 5 1/(20)

Find the reciprocal of each of the following fractions : (i) 9/13" (ii) " 2""3/8

Find the value of each of the following: (i) 13^2 (ii) 7^3 (iii) 3^4

Express the following ratios as percentages. i. 2:3 ii. 3:7 iii. 3:5 iv. 7:13

Which of the two rational numbers in each of the following pairs of rational numbers is greater? (i) 5/9,\ (-3)/(-8) (ii) 5/(-8),\ (-7)/(12)