AP Police Constable Prelims 2016 (Paper 2) Previous Year Paper (0..

There are 50 questions in a test paper. Each correct answer fetches 2 marks and for each wrong answer $\frac{1}{4}$ th of a mark is deducted. If a person attempted all the questions and obtained 73 marks, then the number of question he answered correctly is:

If the sum of the first n terms of an arithmetic progression is 7n ² + 2n, then the sum of its third and fifth terms is:

$\frac{2}{3}$ of 36 + [7 + {8(3 - 5) + 5(3 + 2) -1} -7] =

If a single card is chosen at random from a standard deck of 52 playing cards, then the probability of choosing a black queen or a spade card is:

A bag contains 4 red and some black balls. A ball is picked from the bag at random. If the probability of it being a black ball is twice that of a red ball, then the number of black balls in that bag is: