Quantitative Aptitude - Arithmetic Ability Questions

What is the value of Cot 45° - (1/√3)Cosec 60°?

If 3x + 4(1-x) > 5x -2 > 3x - 4; then the value of x is

What is the value of equation a3+b3+c3-3abc if a2+b2+c2=ab+bc+ca+4 and a+b+c = 4.

There is 40% increase in an amount in 8 years at simple interest. What will be the compound interest (in rupees) of Rs 30000 after 2 years at the same rate?

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

A man buys 10 oranges for Rs. 3 and sells 8 for Rs. 3. Calculate his gain percent.

On dividing a certain number by 342 we get 47 as remainder. If the same number is divided by 18, what will be the remainder ?

The area of a semicircle is 1925 sq.cm. Calculate its perimeter (in cm).