# RBI Grade B

RBI Grade B

Ratio and proportion is counted as one of the essential chapters in any competitive examination, like SBI PO, SBI Clerk, SEBI, RBI, IBPS. We can see that few questions from this topic have been asked in the past. Questions can be asked as an individual or in the form of Data interpretation. In this article we will discuss the Ratio and Proportion concept so that you can clear your concept in an easy way. Letâ€™s understand Ratio and proportion in detail.

**Question : 1****The ratio of cars and bikes in a showroom is 3:5. On a festival, the number of cars increased by 15 and the number of bikes increased by ‘x’ in the showroom. Now, their ratio became 7:9. Find the value of ‘x’.****Answer: Cannot be determined****Question : 2****Fresh oranges contain 75% water and dry oranges contain 50% water. How much dry oranges can be obtained from 100 kg of fresh oranges?****Answer: 50****Question : 3****54% of the first number is 90% of the second number. What is the ratio of the first number to the second number?****Answer: 5:3****Question : 4****The income of A is 150% of the income of B and the income of C is 60% of the income of A. If the total income of A, B and C together is Rs. 136000, what is C’s income?****Answer: Rs.36000****Question : 5****What is the fourth proportion of 15, 30 and 20?****Answer: 40**