Quantitative Aptitude - Arithmetic Ability Questions

The orthocentre of a triangle is the point where

At what point does the line 3x + y = -6 intercept the x-axis?

(0.2 x 0.2 x 0.2)(0.06 x 0.06 x 0.06) / (0.12 x 0.12 x 0.12) = ?

The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term?

What is the slope of the line 2x + 3y = 12?

The ratio between the vertical angle and a base angle of an isosceles triangle is 4:3. The value of any one base angle is

ΔABC is isosceles having AB = AC and ∠A = 40°. Bisectors PO and OQ of the exterior angles ∠ABD and ∠ACE formed by producing BC on both sides, meet at O. Then the value of ∠BOC is

The area and the length of one of the diagonals of a rhombus is 60 cm2 and 8 cm respectively. Find the length of its other diagonal (in cm).