`5 5/6-3 8/9-?=1` `2/3` (b) `3/2` (c) `(17)/(18)` (d) `3`

The rational number equal to 2/(-3) is (a)(17)/(-18) (b) (-6)/9 (c)(-8)/(-12) (d) 3/(-2)

(6)/(5-(5)/(3))+(4-(2)/(4-(1)/(2)))/(5-(3)/(2))-(2)/(5) of {(6)/(9)+(2)/(3) of (1)/(2)}=?( a) 1(1)/(3)( b) 2(13)/(49) (c) 1(7)/(16) (d) (3)/(5)

(5)/(6) -: (6)/(7) xx ? - (8)/(9) -: 1 (2)/(5) -: (3)/(4) xx 3 (1)/(3) = 2(7)/(9)

The expression (5(5)/(8))/(6(3)/(7)) of (6(7)/(11))/(9(1)/(8))-:(8)/(9)(2(3)/(11)+(13)/(22)) of (3)/(5) equals (a) 1 (b) (1)/(2)( c) (7)/(9)( d) (5)/(12)

If 1/3+1/2+1/x=4, then x=? 5/(18) (b) 6/(19) (c) (18)/5 (d) (24)/(11)

Express the following rational numbers as decimals and identify which of them are terminating ? (A) (1)/(2) (B) -(2)/(3) (C) (15)/(5) (D) (5)/(6) (E) (1)/(7) (F) 17(5)/(6) (G) 3(1)/(2)+8(1)/(4) (H) 2^-4xx3 .

(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

When ((1)/(2)-(1)/(4)+(1)/(5)-(1)/(6)) is divided by ((2)/(5)-(5)/(9)+(3)/(5)-(7)/(18)), the result is 2(1)/(18) (b) 3(1)/(6)(c)3(3)/(10) (d) 5(1)/(10)

6(5)/(6)xx5(1)/(3)+17(2)/(3)xx4(1)/(2)=?( a) 112(1)/(3) (b) 116(2)/(3)(c)240(d)663(e) None of these

If + is called X,"-" is called - ,X is called - and "-: is called "'+" ,then the value of 6+5-:5-3times6" is (A) "25(2)/(3) (B) " 17(2)/(3) (C) " 14(1)/(3)," (D) "15(2)/(3)