Quantitative Aptitude - Arithmetic Ability Questions

Sound travels at 330 metres per second. The distance (in kilometres) of a thunder cloud when its sound follows the flash after 10 seconds

What is the value of 1+aa1/2+a-1/2-a1/2+a-1/21+a+a-1/2 ?

∆XYZ is right angled at Y. If tanX = 24/7, then what is the value of cotZ ?

In an ornament the ratio of gold and copper is 3:2. The percentage of gold in the ornament is:

N is the smallest three digit prime number. When N is divided by 13, then what will be the remainder?

If x + y = 5, x3 + y3 = 35, then what is the positive difference between x and y?

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