Quantitative Aptitude - Arithmetic Ability Questions

When 0.151515.....is converted into a fraction, then the result is

The average age of 19 boys in a class is 21 years. If the teacher's age is included, the average increases to 22 years. What is the teacher's age?

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 198, then what is the difference between the first and the third number?

The sum of the length and breadth of a rectangle is 6 cm. A square is constructed such that one of its sides is equal to a diagonal of the rectangle. If the ratio of areas of the square and rectangle is 5 : 2, the area of the square in cm2 is

The ratio of the number of marbles that Joyee and Minati had was 5 : 8 while the ratio of the number of marbles that Jacob and Minati had was 7 : 12. What is the ratio of the number of marbles that Joyee and Jacob had?

What is the value of cosec 5π/3?

Find the odd word/letters/number from the given alternatives.

What is the equation of the line whose y-intercept is -3 and makes an angle of 45° with the positive x-axis?