Quantitative Aptitude - Arithmetic Ability Questions

The distance between two cities X and Y is 270 km. First train starts from X at 7:00 a.m. and travels towards Y at 40 km/hr. Second train starts from Y at 8:30 a.m. and travels towards X at 30 km/hr. At what time (in a.m.) will both the trains meet?

Smaller diagonal of a rhombus is equal to length of its sides. If length of each side is 4 cm, then what is the area (in cm2) of an equilateral triangle with side equal to the bigger diagonal of the rhombus?

If x2-3x+1=0, then x+1x is (x≠0)

If √20 + √125 = 15.65, then what is the value of √45 + √5?

Simplify 576b3x2a4z3/36a3b2z

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

The value of 2.31 x 0.34 = ?

What is the reflection of the point (2, 3) in the line y = 4?