Quantitative Aptitude - Arithmetic Ability Questions

For an article the profit is 170% of the cost price. If the cost price increases by 20% but the selling price remains same, then what is the new profit percentage?

If tan ­-5π/3 = x, then the value of x is

ΔABC and ΔDEF are two similar triangles and the perimeter of ΔABC and ΔDEF are 30 cm and 18 cm respectively. If length of DE = 36 cm, then length of AB is

Select the odd word from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

If sinθ + cosθ = 1, then the sinθ cosθ is equal to

From the top of a 20 m high building, the angle of elevation of the top of a tower is 60° and the angle of depression of it's foot is at 45°, then the height of the tower is (√3=1.732)

What is the equation of the line passing through the point (1,3) and making an angle of -45° with the positive x-axis?