Mathematical Series Questions for Competitive Exams

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?

Hari and Mohan contested a panchayat election. Hari got 52 percent votes and defeated Mohan by a margin of 90 votes. What was the total turnout in the election.

A student scored 32 percent and failed by 8 Marks. If he had scored 36 percent marks, he would have passed by 2 marks. What is the passing score?

In an examination, 30 percent of the students failed in English and 25 percent of the students failed in mathematics. If 15 percent of the candidates failed in both subjects, then what percentage of students passed in both subject.