For the following questions answer them individually
If $$\frac{sin \theta+cos\theta}{sin \theta-cos\theta}=3$$, then value of $$sin^{4}\theta-cos^{4}\theta$$ is
Four persons are chosen at random from a group of 3 men, 2 women and 4 children. The chance that exactly 2 of them are children is:
P's income is ₹ 140 more than Q's income and R's income is ₹ 80 more than S's. If the ratio of P's and R's incomes is 2:3 and the ratio of Q's and S's incomes is 1:2, then the incomes of P, Q, R and S are, respectively:
Pointing to man in photograph, a woman said, "His brother's father is the only son of my grandfather". How is the woman related to the man in the photograph?
There is a certain relationship between two given words on one side of (::) and one word is given on the other side of (::). Another word is to be found from the given alternatives having the same relation, with this word, as the words of given pair has.
Genuine : Authentic :: Mirage : ?
Three statements are given below followed by three conclusions numbered I, II and III. You have to take the given statements to be true even if they seem to be at variance from the commonly known facts and decide which of the given conclusions logically follows from the given
statements.
Statements: All dolls are windows. All bottles are windows. All cars are bottles.
Conclusions:
I. All cars are windows
II. Some cars are dolls.
III. Some windows are cars.