Quantitative Aptitude - Arithmetic Ability Questions

If the value of √30  is approximately 5.477, then what is the approximate value of 56 ?

If C + 1C = 3, then what is the value of C-37+1C7?

The least number which when divides 37044, gives the result a perfect cube, is:

Daily local train ticket costs Rs 60 and Monthly Pass costs Rs 1566. If I buy the Monthly Pass and travel for 29 days in a month than I save?

2cos[(C+D)/2]sin[(C-D)/2] is equal to

What is the value of 96+21624?

What will be the average of the first 5 positive even numbers divisible by 9?

If a - b = 2 and ab = 15, then what is the value of a3- b3?