book Maths Puzzle Numerical Ability

In a distant planet there are four forms of beings: zadohs, pugwigs, cahoots, and zingzags. All zadohs are pugwigs. Some pugwigs are cahoots. All cahoots are zingzags. Which of the

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Find the equation, in standard form, including all integer coefficients, of the line perpendicular to 3x - 4y = 9 and passing through (-2, -1). If there are 60 rows of seats in a movie theatre and the first row has 30 seats in it, and each consecutive row has one additional seat (ie. the second row has 31), then how many s