हल कीजिएः
`(a).(2)/(3)+(1)/(7)" "(b).(3)/(10)+(7)/(15)" "(c ).(4)/(9)+(2)/(7)" "(d).(5)/(7)+(1)/(3)`

1(3)/(4)-1(1)/(5)+1(5)/(8)=?( a) 2(7)/(40) (b) (7)/(40) (c) 9(5)/(8)(d)10(7)/(8) (e) None of these

If a: b = (2)/(9) : (1)/(3) , b: c = (2)/(7) : (5)/(14) and d : c = ( 7)/(10) : (3)/(5) , then find a : b: c: d .

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)

(5)/(6)-:(6)/(7)xx?-(8)/(9)-:1(3)/(5)+(3)/(4)xx3(1)/(3)=2(7)/(9)(7)/(6)(b)(6)/(7)(c)1(d) None of these

If a:b=(2)/(9):(1)/(3),b:c=(2)/(7):(5)/(14) and d:c=(7)/(10):(3)/(5), then find a:b:c:d

Solve (a) 2/3 + 1/7 (b) 3/10 + 7/15 (c) 4/9 + 2/7 (d) 5/7 + 1/3 (e) 2/5 + 1/6 (f) 4/5 + 2/3 (g) (3/4) (1/3) (h) (5/6) (1/3) (1) 2/3 + 3/4 + 1/2 (1) 1/2 + 1/3 = 1/6 (k) (1) 1/3 + (3) 2/3 (1) (4) 2/3 +(3) 1/4 (m) ((16)/5))(7/5)

Solve (a) 2/3 + 1/7 (b) 3/10 + 7/15 (c) 4/9 + 2/7 (d) 5/7 + 1/3 (e) 2/5 + 1/6 (f) 4/5 + 2/3 (g) (3/4) (1/3) (h) (5/6) (1/3) (1) 2/3 + 3/4 + 1/2 (1) 1/2 + 1/3 = 1/6 (k) (1) 1/3 + (3) 2/3 (1) (4) 2/3 +(3) 1/4 (m) ((16)/5))(7/5)

[{((1)/(7^(2)))^(-2)}^((1)/(3))]^((1)/(4))=7^(m), is -(1)/(3)(b)(1)/(4)(c)-3(d)2

The rationalising factor of root(7)(a^(4)b^(3)c^(5)) is (a) root(7)(a^(3)b^(4)c^(2)) (b) root(7)(a^(3)b^(4)c^(2)) (c) root(7)(a^(2)b^(3)c^(3)) (d) root(7)(a^(2)b^(4)c^(3))