Quantitative Aptitude - Arithmetic Ability Questions

If sec (3x – 20°) = cosec (3y + 20°), then what is the value of tan (x + y)?

A ship is full of cargo containers. It drops 2/3 of cargo containers at the first port and takes 60 more, at the second port it drops two third of the new total and takes eleven more. On arriving at the third port it is found that it have 48 cargo containers. Find the number of cargo containers in the ship at the starting?

X and Y give an exam. Difference of their marks is 45 and the difference of their marks is 15% of the maximum marks. What is the maximum marks for the exam?

Two numbers are in the ratio 2:5 and their HCF is 18. Their LCM is

In an isosceles triangle, the length of each equal side is twice the length of the third side. The ratio of areas of the isosceles triangle and an equilateral triangle with same perimeter is

At what point does the line 2x + 5y = -6 cuts the X-axis?

If 7A = 5B = 2C; find A : B : C.

If x + y = 10 and xy = 4, then what is the value of x4 + y4?