Quantitative Aptitude - Arithmetic Ability Questions

The measures of the three angles of a triangle are in the ratio 1:2:3. What is the measure of the biggest angle?

Compute of 69696 x 9999 =

What is the slope of the line parallel to the line passing through the points (-­4,­-6) and (2,­-3)?

What is the value of a-b when a2+b2-6a-6b+18 = 0 ?

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?

Neeraj's earning was decreased by 60% and after that subsequently increased by 60%. Find the final loss % on his earnings?

ABCD is a quadrilateral with AB = 9 cm, BC = 40 cm, CD = 28 cm, DA = 15 cm and angle ABC is a right –angel
What is the difference between perimeter of triangle ABC and perimeter of triangle ADC?

ABC is a right angled triangle with angle A = 90 deg. Then the value of cos2A+cos2B+cos2C is