Which of the following is correct? (a) `5/9>(-3)/(-8)` (b) `5/9<(-3)/(-8)` (c) `2/(-3)<(-8)/7\ ` (d) `4/(-3)>(-8)/7`

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)

Evaluate each of the following: -2-5/9 (ii) (-3)/(-8)-(-2)/7 (iii) (-4)/(13)-(-5)/(26)

Re-arrange suitably and find the sum in each of the following: 3/5+7/3+9/5+(-13)/(15)+(-7)/3 (ii) 4/(13)+(-5)/8+(-8)/(13)+9/(13)

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 of the following is not an AP? (a) -1.2, 0.8, 2.8, .... (b) 3, 3+ sqrt(2), 3+ 2sqrt(2), 3+3sqrt(2), ...... (c) 4/3, 7/3, 9/3, 12/3, ..... (d) -1/5, -2/5, -3/5,...

Solve the following equations : 5(8x+3)=9(4x+7)

Express the following as improper fractions : (a) (7) 3/4 (b) (5) 6/7 (c) (2) 5/6 (d) (10) 3/5 (e) (9) 3/7 (f) (8) 9/4

Arrange in descending order in each of the following using the symbol > : 8/(17),8/9,8/5,8/(13) (ii) 5/9,3/(12),1/3,4/(15) (iii) 2/7,(11)/(35),9/(14),(13)/(28)

Re-arrange suitably and find the sum in each of the following: 2/3+(-4)/5+1/3+2/5 (ii) 1/8+5/(12)+2/7+7/(12)+9/7+(-5)/(16)

Compare the following : (5)/(-9)square(-8)/(12)