Quantitative Aptitude - Arithmetic Ability Questions

Point P (-2, 5) is the midpoint of segment AB. Co-ordinates of A are (-5, y) and B are (x, 3). What is the value of x?

What is the value of (1/2) Sec 30° + √2 Tan 60°?

Two numbers are in the ratio 3:5. If 6 is added to both of them, the ratio becomes 2:3. The numbers are

If 2 shirts are offered free on purchase of 3 shirts priced Rs 600 each, then what will be the effective discount on each shirt?

The LCM of 72 and 84 is:

If (x – 2)2 + (y + 3)2 + (z – 15)2 = 0, then what is the value of x + y + z – 5?

If x + 1x = 3, then x18 + x12 + x6 + 1 value is

A's salary was decreased by 50% and subsequently increased by 50%. How much percent does he lose?