Wipro Company Numerical Ability Arithmetic

If 0~P[log sinx]dx=k,then the value of 0~P/4[log(1 + tan x)]dx ,
where P stands for pi,is
(a) -k/4
(b) k/4
(c) -k/8
(d) k/8

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12 years agoHelpfull: Yes(1) No(2)

any one give me explanation for this
12 years agoHelpfull: Yes(0) No(0)

Wipro Other Question

Value of -1~2[|2-x²|]dx, ie integration of the function |2-x²|
over the interval -1 to 2.
(a) 0
(b) 1
(c) 2
(d) None of the above A solution of KMnO4 is reduced to MnO2 .The normality of solution is 0.6.
The molarity is
(a) 1.8M
(b) 0.6M
(c) 0.1M
(d) 0.2M