`(532)/(648)xx(432)/(588)=?` `2/(21)` (b) `(38)/(63)` (c) `(21)/(64)` (d) `(19)/(21)` (e) None of these

Solve (21.5)/(5)+(21)/(6)-(13.5)/(15)=(((?)^((1)/(3)))/(4))+(17)/(30) (a) 2( b) 8( c) 512 (d) 324 (e) None of these

[(84)^(2)-:28xx12]-:24=7xx?(a)15(b)17(c)19(d)21(e) None of these

(3)/(5) of (4)/(7) of (5)/(9) of (21)/(24) of 504=?( a) 63 (b) 69 (c) 96 (d) 109 (e) None of these

(14)/(19)xx(57)/(70)xx(20)/(21)=?

If A+B=[(1,0),(1,1)] and A-2B=[(-1,1),(0,-1)] then A= (A) 1/3 [(1,1),(2,1)] (B) 1/3 [(2,1),(1,2)] (C) [(1,1),(2,1)] (D) none of these

Subtract: 2/7\ from\ (19)/(21)

Divide :(-7)/(8)by(-21)/(16) (ii) (7)/(-4)by(63)/(64) (iii) 0 by (-7)/(5)

Which part contains the fractions in ascending order? (11)/(14),(16)/(19),(19)/(21) (b) (16)/(19),(11)/(14),(19)/(21) (c) (16)/(19),(19)/(21),(11)/(14) (d) (19)/(21),(11)/(14),(16)/(19)

4.4xx5.8xx11.5-141.27=?( a) 121.17 (b) 147.51 (c) 152.21 (d) 187.95 (e) None of these