Quantitative Aptitude - Arithmetic Ability Questions

Solve the following : 3/4+{3/4 + 3/4 ÷ (3/4 + 3/4)} = ?

The height of an equilateral triangle is 18 cm. Its area is

A man can row his boat at a speed of speed of 4 kmph and he finds that the time taken rowing upstream is double to that taken downstream. Find the speed of the stream (in kmph).

If 3 tan θ = cot θ where 0 < θ < π/2, then what is the value of θ ?

If x2 + y2 + 6x + 5 = 4(x - y) then x - y is

Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

In a college, the ratio of boys to girls is 29 : 33 respectively. When 142 more boys join the college, this ratio becomes 21 :19. How many more girls should join the college to make the number of boys and girls equal?

The average weight of 10 parcels is 1.7 kg. Addition of another new parcel reduces the average weight by 60 gram. What is the weight , in kg, of the new parcel?