Quantitative Aptitude - Arithmetic Ability Questions

Two students appeared for an examination. One of them secured 26 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are

The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?

A root of equation ax2 + bx + c = 0 (where a, b and c are rational numbers) is 5 + 3√3. What is the value of (a2 + b2 + c2)/(a + b + c)?

Two men are on opposite sides of a tower. They measure the angles of elevation of the top of the tower as 30 ̊ and 45 ̊ respectively. If the height of the tower is 50 m, the distance between the two men is (Take √3 = 1.73)

Find the odd word/letters/number from the given alternatives.

Find the odd word/letters/number pair from the given alternatives

If x + y = 3, then what is the value of x3 + y3 + 9xy?

Given: x -­ 5 ≤ 2x -­ 3 and 2x - ­1/2 ≥ 5x + 2; then x can take which of the following values?