Quantitative Aptitude - Arithmetic Ability Questions

The first and last terms of an arithmetic progression are 37 and ­18. If the sum of the series is 114, then it has how many terms?

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

Find the circumference (in cm) of a circle of radius 10.5 cm

The price of an article is cut by 42%, to restore to its original value, the new price must he increased by ______.

If 3x - 8(2 - x) = -19, then the value of x is

If sec θ (cos θ + sin θ) = √2, then what is the value of (2 sin θ)/(cos θ – sin θ)?

If (333 + 333 + 333) (233 + 233) = 6x, then what is the value of x?

How much simple interest will Rs. 4000 earn in 18 months at 12% per annum?