Quantitative Aptitude - Arithmetic Ability Questions

Which one is the largest among the fractions (5/113), (7/120), (13/145) and (17/160)?

If the number 583_437 is completely divisible by 9, then the smallest whole number in the place of the blank digit will be

A pentagonal prism has 15 edges. How many vertices does it have?

If a -­ b = 3 and ab =28, then a3 - b3 is

What is the value of sinAtanA/(1 - cosA)?

Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is

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

Seven years ago, the age of Sahil was equal to the present age of Nihal. Sum of Sahil's age 5 year ago and Nihal's age 6 years later is 58 years. If Ruchi is 4 years elder to Sahil, then what will be Ruchi's age (in years) after 10 years?