Quantitative Aptitude - Arithmetic Ability Questions

Two donkeys are standing 400 meters apart. First donkey can run at a speed of 3 m/sec and the second can run at 2 m/sec. If two donkeys run towards each other after how much time (in sec) will they bump into each other?

The value of (2+32-3-342) is

A rectangular playground ground of length 125 m and width 75 m, has a walking strip of width 3 m in the middle of the ground, along the longer side. What is the area of the ground without the walking strip?

Which of the following quadratic equations has real roots?

If -5x3+2 = x-6, then find the value of x?

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

In an alloy of German silver the ratio of copper to zinc was 17:7 while that of nickel to zinc was 4 :3. The ratio of copper to zinc to nickel in the alloy was

Find the odd words/letter/number from the given alternatives: