Quantitative Aptitude - Arithmetic Ability Questions

The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?

If three numbers are in the ratio 2 : 3 : 5 and the twice their sum is 100. Find the square of the largest of the three numbers.

If α + β = 90° and α:β = 2:1, then the ratio of cosα to cosβ is

In a school 60% of the students are girls. If number of boys is 480, then what is the total number of students in the school?

In these tests find the Odd figure out

Product of digits of a 2-digit number is 15. If we add 18 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

U and V started a business by investing amounts Rs 184000 and Rs 224000 respectively. If U’s share in the profit received at the end of year is Rs 20700, then what will be the total profit (in Rs) earned by them together?

The radius of a sphere and hemisphere are same. The ratio of their total surface area is