Quantitative Aptitude - Arithmetic Ability Questions

The value of x for which the expressions 5x + 17 and 17x - 5 become equal is _____.

If a - b = -7 and a2+ b2= 85, then find ab.

199994 x 200006 = ?

If 1/√(cosec2A - 1) = x, then value of x is

What is the reflection of the point (2, -3.5) in the y-axis?

Point P is the midpoint of segment AB. Co-ordinates of P are (3 , 1) and B are (5, -4). What are the co-ordinates of point A?

Select the related word/letters/number from the given alternatives.
1 : 8 :: ? :64

Rohit buys a ball for Rs 450 and sells it. Rohit gives two successive discount of 20% and 5% to the customer. What will be the selling price (in Rs) of the ball?