`1+1/2+1/4+1/7+1/(14)+1/(28)` is equal to (a) 2 (b) 2.5 (c) 3 (d) 3.5

2 3/7 -2 1/4 -1 1/14 +1 1/28 =?

(2^(-1)+3^(-1)+5^(-1))^(0) is equal to (a) 2 (b) 3 (c) 5 (d) 1

If 2^(-m)\ xx1/(2^m)=1/4, then 1/(14)\ {(4^m)^(1//2)+\ (1/(5^m))^(-1)} is equal to (a) 1/2 (b) 2 (c) 4 (d) -1/4

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

(2^-1+3^-1+5^-1)^0 is equals to: a) 2 b) 3 c)5 d)1

If A and B are events such that P(B) = 3/5 , P(A//B) =1/2 and P(A cup B) =4/5 , then P(A) equals a) 1/2 b) 1/5 c) 1/3 d) 3/5

The value of (1 1/7-2/3+(2/5)/(1-1/(25)))/(1-1/7[1/3+(2/5)/(1-2/5)]) is (a) 3/4 (b) (24)/(25) (c) 1 (d) 1 1/(24)

(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

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)