Data Analysis Set for RBI Assistant: Based on Exam Pattern

Directions (1-5): Study the following information carefully and answer the questions given below:

In a college there are 1400 students who are doing graduation in any one of the subjects, out of the five different subjects viz. zoology,
Botany, Mathematics, Physics and Statistics. The ratio of the number of boys and girls among them is 6:8.30% of the total girls are doing graduation in Zoology and 20% of the total girls are doing graduation in Statistics. The total number of students doing graduation in Botany is 220. 250 students are doing graduation in Mathematics. The ratio of the number of girls and the number of boys doing graduation in Statistics is 2:1.20% of the total number of boys are doing graduation in Botany. The ratio of the number of girls and that of boys doing graduation in Mathematics is 2:3. There are an equal number of boys and girls doing graduation in Physics. 290 students are doing graduation in Zoology.

1. What is the total number of students doing graduation in physics and Statistics together?

2. What is the ratio of the number of boys doing graduation in Mathematics and to a number of girls doing graduation in Botany?

3. What is the difference between the number of boys doing graduations in Zoology and the number of girls doing graduation in Mathematics?

4. In which of the following graduation courses, the number of the girls the highest and in which course is the number of boys is second lowest respectively?

1. Statistics and Zoology

2. Zoology and Botany

3. Physics and Statistics

4. Zoology and Statistics

5. Physics and Zoology

5. The number of girls doing graduation in Statistics is what percent of the number of boys doing graduation in physics?

	30 x 8 = 240	290 – 240 = 50
	220 – 120 = 100	20 x 6 = 120
Mathematics	2/5 x 250 = 100	3/5 x 350 = 150
Statistics	20 x 8 = 160	160/2 = 80

1. 3; 
Required answer = 200 + 200 + 160 + 80 = 640

2. 4; 
Required ratio = 150 : 100 = 3:2

3. 1; 
Required difference = 100 - 50 = 50

4. 4; 
Zoology and statistics

5. 3; 
Required percentage = 160/200 x 100 = 80%

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