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?

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

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

In each of the following questions, a question is followed by information given in them Statements I, II and III. You have to study the question along with the statements and decide the information given in which or the statements/ is necessary to answer the question. 

What is the cost of flooring the rectangular hall?

I. Length and the breadth of the hall are in the ratio of 3:2

II. Length of the hall is 48 m and cost of flooring is ₹ 850 Per sq.m.

III. Perimeter of the hall is 160 m and cost of flooring is ₹ 850 per sq m

After a discount of 34% an article is sold for Rs. 3168. What is the marked price (in Rs) of the article?

Sum of three consecutive integers is 51 . The middle one is:

A moving train passes a platform 50m long in 14 seconds and a lamp post in 10 seconds. The speed of the train (in km/h) is :