Quantitative Aptitude - Arithmetic Ability Questions

In ∆ABC, ∡A + ∡B = 75 and ∡B + ∡C = 140, then ∡B =

An engineering student has to secure 25% marks to pass. He gets 45 and fails by 45 marks. Find the maximum marks.

In the following question, select the related number from the given alternatives.

695 : 659 : : 839 : ?

What is the value of sec 30° + cot 30°?

If 4(2x + 3) > 5 -­ x and 5x - ­3(2x­ - 7) > 3x -­ 1, then x can take which of the following values?

If a3+1a3 = 2, then the value of a2+1a?

In a week, how many times are the hands of a clock at right angles with each other?

The co-ordinates of the centroid of a triangle ABC are (1 , -4). What are the co-ordinates of vertex C if co-ordinates of A and B are (3 , -4) and (0 , 5) respectively?