`(5 1/4-3 1/3)`=
(a)(12/23)
(b) 2
(c)`(1 11/12)`
(d) (11/12)

In Fig. , A D=4c m , B D=3c m and C B=12 c m , find cottheta . (a) (12)/5 (b) 5/(12) (c) (13)/(12) (d) (12)/(13) (

In Figure, A D=4c m , B D=3c m and C B=12 c m , find cottheta . (a) (12)/5 (b) 5/(12) (c) (13)/(12) (d) (12)/(13)

1/((2 1/3))+1/((1 3/4)) is equal to (a) 7/(14) (b) (12)/(49) (c) 4 1/(12) (d) None of these

If 12 identical balls are to be placed in 3 identical boxes, then the probability that one of the boxes contains exactly 3 balls is : (1) (55)/3(2/3)^(11) (2) 55(2/3)^(10) (3) 220(1/3)^(12) (4) 22(1/3)^(11)

1/12 :1/60 = (a) 4:1 (b) 1:4 (c) 5:1 (d) 1:5

If a/sqrt(b c)-2=sqrt(b/c)+sqrt(c/b), where a , b , c >0, then the family of lines sqrt(a)x+sqrt(b)y+sqrt(c)=0 passes though the fixed point given by (a) (1,1) (b) (1,-2) (c) (-1,2) (d) (-1,1)

Consider 5 independent Bernoulli.s trials each with probability of success p. If the probability of at least one failure is greater than or equal to (31)/(32) , then p lies in the interval : (1) (1/2,3/4] (2) (3/4,(11)/(12)] (3) [0,1/2] (4) ((11)/(12),1]

The value of sin^(-1)(3/(sqrt(73)))+cos^(-1)((11)/(sqrt(146)))+cot^(-1)sqrt(3) is (A) (5pi)/(12) (B) (17pi)/(12) (C) (7pi)/(12) (D) None of these

If 1/a :1/b :1/c=3:4:5, then a : b : c (a) 5:4:3 (b) 20 : 15 : 12 (c) 9: 12 : 15 (d) 12 : 15 : 20

The term independent of x in the product (4 + x + 7x^2)(x-3/x)^11 is (a) 7*"^(11)C_(6) (b) (3)^6*"^(11)C_(6) (c) 3^(5)*"^(11)C_(5) (d) -12*2^(11)