Samay Quartz' a watch company desires to import watches from USA. Describe the procedure it will adopt in order to obtain the watches.

In a box there are 5 watches of which 2 are known to be defective two watches are taken out at random let x denote the number of defective watches selected obtain the probability distribution of x also calcuated mean of x

At what distance a watch maker must hold his lens from the watch?

At what distance a watch maker must hold his lens from the watch?

Seven persons P, Q, R, S, T, U and V watched movies on different days starting from Monday to Sunday. They watch i.e. Logan, Avatar, Inception, Superman, Thor, Avengers and Batman, but not necessarily in the same order. 3 persons watched movie between U and the one who watched Avengers and U watched movie before the one who watched Avengers but not on Monday. P watched Inception with a gap of a day, before the one who watched Avengers. One person watched movie between P and the one who watched Logan. Q watched Avatar just before U. One person watched movie between Q and T. T didn't watch movie on Thursday. S watched Batman before R who watched Thor. Who among the following watched on Monday ?

Seven persons P, Q, R, S, T, U and V watched movies on different days starting from Monday to Sunday. They watch i.e. Logan, Avatar, Inception, Superman, Thor, Avengers and Batman, but not necessarily in the same order. 3 persons watched movie between U and the one who watched Avengers and U watched movie before the one who watched Avengers but not on Monday. P watched Inception with a gap of a day, before the one who watched Avengers. One person watched movie between P and the one who watched Logan. Q watched Avatar just before U. One person watched movie between Q and T. T didn't watch movie on Thursday. S watched Batman before R who watched Thor. How many persons watched movie between P and R ?

Seven persons P, Q, R, S, T, U and V watched movies on different days starting from Monday to Sunday. They watch i.e. Logan, Avatar, Inception, Superman, Thor, Avengers and Batman, but not necessarily in the same order. 3 persons watched movie between U and the one who watched Avengers and U watched movie before the one who watched Avengers but not on Monday. P watched Inception with a gap of a day, before the one who watched Avengers. One person watched movie between P and the one who watched Logan. Q watched Avatar just before U. One person watched movie between Q and T. T didn't watch movie on Thursday. S watched Batman before R who watched Thor. T watched which of the following movie ?