Quantitative Aptitude - Arithmetic Ability Questions

The average of 19 consecutive even integers is 50. The highest of these integers is

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

X and Y started a business investing Rs 12000 and Rs 9000 respectively. After 4 months, X left the business and Z joined the business by investing Rs. 18000. At the end of the year, there was a profit of Rs 12500. What is the share (in Rs) of Z in the profit?

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

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?

What is the measure of the central angle of the sector whose area is 462 sq cm and radius of the circle is 21 cm?

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