`1/(1.2.3)+1/(2.3.4)+1/(3.4.5)+1/(4.5.6)=` a) `7/30` b) `11/30` c)`13/30` d) `17/30`

(5xx1.6-2xx1.4)/(1.4(d)4^(1.3))=?( a) 0.4(b)1.2 (c)

(7(1)/(2)-5(3)/(4))/(3(1)/(2)+?)-:((1)/(2)+1(1)/(4))/(1(1)/(5)+3(1)/(2))=0.6 a) 4(1)/(3)(b)4(1)/(2) (c) 4(2)/(3) (d) None of these

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)

(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)

What is the difference between the biggest and the smallest fraction among (2)/(3),(3)/(4),(4)/(5) and (5)/(6)?(1)/(6)(b)(1)/(12)(c)(1)/(20) (d) (1)/(30)

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

The numerical value of (4)/(3) cot^(2)30^(@)-2csc^(2)60^(@)-(3)/(4) tan^(2)30^(@)= A) 11//16 B) 16//11 C) 13//12 D) 6//11

The value of [35.7-(3+(1)/(3+(1)/(3)))-(2+(1)/(2+(1)/(2)))] is (a) 30 (b) 34.8(c)36.6 (d) 41.4

Simplify : ((1)/(12) + ((-3)/( 4)) + (7)/(8)) xx (3 (2)/(5) - (7)/(10) + ((-2)/( 15)) - 10 (1)/(30))