Mathematical Series Questions for Competitive Exams

The ratio of two numbers is 5 : 11. If both numbers are increased by 10, the ratio becomes 7 : 13. What is the sum of the two numbers?

The ratio of the sides of a triangle is $$ {1\over2}$$: $$ {1\over3}$$: $$ {1\over4}$$ and its perimeter is 104 cm. is. What is the length of the longest arm?

The ratio of the students of one school is 3: 5 with the students of the other school, if in the first school there were 50 students more and in the second there were 80 students less then the ratio would be 5: 6. Find the total number of students in both schools.

If A: B=3: 4, B:C =2:3 then what is the value of A +B: B+C: C+A?

A is 40% less than B, and C is 40% of the sum of A and B. The difference between A and B is what percentage of C?

If one number is 50 percent less than X and the other numbers are 20 percent less than X. What is the ratio of both the numbers?

The ratio of incomes of A and B is 3:5, whereas the ratio of their expenditures is 4:7 respectively. If A and B save Rs. 16,000 and Rs. 26,000 respectively, then what is the different between their expenditures?

A number is divided into three parts such that three times of the first part, six times of the second part and eight times the third part are equals to each other. If the first part is Rs. 1600, what is the third part?

If Rs 1380 is divided into A, B and C in such a way that A gets 5 times B's share and 3 times C's share. Then what is the value of C parts?

The ratio of two number is 3 :5 . If 6 added to both the number then ratio become 2 :3 then find out the number?