Quantitative Aptitude - Arithmetic Ability Questions

If a + b = 3 and ab = -4, then what is the value of a3 + b3?

If cot(A/2) = x, then the value of x is

In a shop 4.5% of 1500 kg toor dal was sold. Find the quantity sold

A missile travels at 1116 km/h. How many metres does it travel in one second?

Kiran swims in a 90 m long pool. He covers 360 m in two minutes by swimming from one end to the other and back 0 along the same straight path, twice. Find the average speed of Kiran.

Of the 5 numbers whose average is 72, the first is 1/8 times the sum of other 4. The first number is _____.

If the cost price of an article is Rs x . It is marked up by 100%. It is sold at Rs 1,200 after giving 20% discount. What is value of x?

What will come in the place of question mark (?) in the following question (You do not have to calculate the exact value)?

√(3099.985 ÷ 62.001 + 14.001) = ?