Quantitative Aptitude - Arithmetic Ability Questions

The simplified form of (x + 3)2 + (x - 1)2 is

If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?

The sum of 10 terms of the arithmetic series is 390. If the third term of the series is 19. Find the first term

If x + 3 ≤ 4x + 4 and 3(4 - x) - 4 ≥ 2x - 2, then x can take which of the following values?

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

Select the odd number from the given alternatives.

Marked price of an item is Rs 300. On purchase of 2 items discount is 24%, on purchase of 5 items discount is 38%. Rachna buys 7 items, what is the effective discount?

If sec θ (cos θ + sin θ) = √2, then what is the value of (2 sin θ)/(cos θ – sin θ)?