Quantitative Aptitude - Arithmetic Ability Questions

If x+3y=-3x+y, then x22y2 is equal to

If a+1a=1,then the value of a2-a+1a2+a+1 is a≠0

Find equation of the perpendicular to segment joining the points A(0,4) and B(-5,9) and passing through the point P. Point P divides segment AB in the ratio 2:3.

If in a two digit number, the digit at unit place is y and the digit at tens place is 5, then the number is

Samit was given some money to take care of his travel during a 6-day sales drive he had to undertake. However, he had to increase his stay by another 4 days and as a result his average daily travel allowance went down by Rs. 56. What was the amount that was sanctioned to him in the beginning?

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

A square playground measures 1127.6164 sq.m. If a man walks 2 9/20 m a minute, the time taken by him to walk one round around it is approximately.

ABCD is a trapezium in which AB is parallel to CD and AB = 4(CD). The diagonals of the trapezium intersects at O. What is the ratio of area of triangle DCO to the area of the triangle ABO?