Quantitative Aptitude - Arithmetic Ability Questions

The distance between the points (4, 8) and (k,-4) is 13. What is the value of k?

Average of the marks of 132 students of a college is 40. If the average of the marks of the passed students is 42 and the average of the marks of the failed students is 20, then what will be the respective ratio of the total marks of passed students and the total marks of failed students?

The fraction from the ones listed below that will NOT lead to a recurring decimal is

The sum of the ages of Rohit and Ankit is 78. Rohit's age is twice the age of Ankit. What is the age (in years) of Rohit?

By increasing the price of entry ticket to a fair in the ratio 17:19, the number of visitors to the fair has decreased in the ratio 11:10. In what ratio has the total collection increased or decreased?

In a bag the ratio of red balls to green balls is 4 : 9. If 6 more green balls were added to the bag, the ratio of red balls to green balls would become 1 : 3. How many red balls are there in the bag?

What is the value of 4600+540+1280+250+36 ?

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