Quantitative Aptitude - Arithmetic Ability Questions

If Tan θ = 4/3, then what is the value of Sin θ?

The standard deviation of the set {10, 11, 12, 9, 8} is

If the sum of the digits of any integer between 100 and 1000 is subtracted from the same integer , the resulting number is always divisibleby

tanAcosec2A is equal to

If 7x - [3(2x - 3)]/2 = 1/2, then what is the value of x?

What is the value of (cot30°+ 2/√3) ?

Find length of the arc whose central angle is 45° and radius of the circle is 28 cm?

The sum of three numbers is 67. If the ratio of the first number to the second number is 3 : 5 and that of the second number to the third number is 4 : 7, then what is the second number ?