Data Interpretation Questions for Competitive Exams
Data Interpretation: Data Interpretation Questions are usually asked in all competitive exams like SSC, SBI, IBPS, RBI, LIC, RRB, AAI, DRDO, ISRO, NTR, FSSAI, CWC, LIC, SSC CGL, Railways and other state government exams. Data Interpretation questions require clear observation of charts like pie chart, bar chart, radar chart, line chart, table chart. On this page, we are providing all varieties of Data Interpretation Questions along with previous year Data Interpretation Questions. Data Interpretation Questions are usually based on basic knowledge of arithmetic & fast calculation which includes good command on multiplication, division, addition, subtraction along with Vedic Math. Data Interpretation Questions is a very important section of Quantitative Aptitude. Most of the questions come from Data Interpretation in Quantitative Aptitude section.
Set-57 Study the following information carefully and give the answer of the following questions. A school has 400 students- boys and girls, who are in the ratio of 3:5. The students speak Hindi, English or both the Languages. 12% of the boys speak only Hindi, 22% of the girls speak only English, 24% of the total students speak only Hindi and the number of boys speaking both the Languages is six times the number of boys speaking only Hindi. 1. How many boys speak Hindi?
Ans:3 Total Number of students = 400 Ratio of boys and girls; B: G = 3: 5 Number of boys = 400 * 3/8 = 150 Number of girls = 400 * 5/8 = 250 Total number of students who speak only Hindi (400) -> 24% of 400 = 96 Number of Boys (150): Only Hindi ->12% of 150 = 18 Only English -> 150 – 18 – 108 = 24 Both -> 6 * 18 =108 Number of Girls (250): Only Hindi->96 – 18 = 78 Only English ->22% of 250 = 55 Both->250 – 78 – 55 = 117 Number of boys who speak only Hindi = 18 Number of boys who speak Hindi + English = 108 18 + 108 = 126 Therefore, the numbers of boys who speak Hindi are 126
2. How many girls speak only Hindi?
Ans:2 Total Number of students = 400 Ratio of boys and girls; B: G = 3: 5 Number of boys = 400 * 3/8 = 150 Number of girls = 400 * 5/8 = 250 Total number of students who speak only Hindi (400) -> 24% of 400 = 96 Number of Boys (150): Only Hindi ->12% of 150 = 18 Only English -> 150 – 18 – 108 = 24 Both -> 6 * 18 =108 Number of Girls (250): Only Hindi->96 – 18 = 78 Only English ->22% of 250 = 55 Both->250 – 78 – 55 = 117 From the table above, we get to know that number of girls who speak only Hindi are 78. Therefore, the numbers of girls who speak ONLY Hindi are 78.
3. How many students speak English?
Ans:2 Total Number of students = 400 Ratio of boys and girls; B: G = 3: 5 Number of boys = 400 * 3/8 = 150 Number of girls = 400 * 5/8 = 250 Total number of students who speak only Hindi (400) -> 24% of 400 = 96 Number of Boys (150): Only Hindi ->12% of 150 = 18 Only English -> 150 – 18 – 108 = 24 Both -> 6 * 18 =108 Number of Girls (250): Only Hindi->96 – 18 = 78 Only English ->22% of 250 = 55 Both->250 – 78 – 55 = 117 Total number of students – Number of students who speak only Hindi 400 – 96 = 304 Therefore, the numbers of students who speak English are 304.
4. The number of girls speaking only Hindi is what percent of the total number of students speaking only Hindi?
Ans:2 Total Number of students = 400 Ratio of boys and girls; B: G = 3: 5 Number of boys = 400 * 3/8 = 150 Number of girls = 400 * 5/8 = 250 Total number of students who speak only Hindi (400) -> 24% of 400 = 96 Number of Boys (150): Only Hindi ->12% of 150 = 18 Only English -> 150 – 18 – 108 = 24 Both -> 6 * 18 =108 Number of Girls (250): Only Hindi->96 – 18 = 78 Only English ->22% of 250 = 55 Both->250 – 78 – 55 = 117 Number of girls who speak Hindi – 78 [x] Total number of students who speak only Hindi – 96 [y] As we need to find the percentage change we know that x/y * 100 78/96 * 100 81.25% Therefore, 81.25% is the percentage change.
5. What is the ratio of the number of boys to the number of girls speaking both the languages?
Ans:1 Total Number of students = 400 Ratio of boys and girls; B: G = 3: 5 Number of boys = 400 * 3/8 = 150 Number of girls = 400 * 5/8 = 250 Total number of students who speak only Hindi (400) -> 24% of 400 = 96 Number of Boys (150): Only Hindi ->12% of 150 = 18 Only English -> 150 – 18 – 108 = 24 Both -> 6 * 18 =108 Number of Girls (250): Only Hindi->96 – 18 = 78 Only English ->22% of 250 = 55 Both->250 – 78 – 55 = 117 Number of boys speaking both the languages = 108 Number of Girls speaking both the languages = 117 The ratio of the number of boys who speak both the languages: Number of girls who speak both languages = 108: 117 By further simplification we get, 12:13 Therefore, the ratio of boys is to girls who speak both the languages are 12:13.
Set-58 Study the following information and give the answer of the following questions. 6. What is the number of employees in Account Department of offices TCS and HCL?
Ans:2 In TCS = 18 * 3/2 = 27 In HCL = 32 * 7/8 = 28 Required total = 27+28 = 55
7. What is the number of employees in Other Departments of offices HCL and Wipro?
Ans:3 In HCL = 32 * 7/8 = 28 In HCL, in Account = 28, so in Others = 250 – (32+28) = 190 In Wipro, in Account = 48 * 11/6 = 88, so in Others= 360 -(48+88) = 224 Required total = 190 + 224 = 414
8. In Office L&T, 25%, 20% and 50% people in HR, Account and Others Department respectively are females. What is the number of males in these departments in office L&T?
Ans:4 In L&T, in HR = 16, so males = 75/100 * 16 = 12 In L&T, in Account = 16 * 5/8 = 10, so males = 80/100 * 10 = 8 In L&T, in others = 280 – (16+10) = 254, so males = 50/100 * 254 = 127 Required number = 12+8+127 = 147
9. What is the ratio of number of employees in Other Departments in offices TCS and HCL?
Ans:5 In TCS = 18 * 3/2 = 27 In TCS, in others = 270 – (18+27) = 225 In HCL = 32 * 7/8 = 28 In HCL, in others = 250 – (32+28) = 190 Required ratio = 225: 190 = 45: 38
10. What is the total number of employees in Account Department in all offices?
Ans:2 In TCS = 18 * 3/2 = 27 In HCL = 32 * 7/8 = 28 In L&T = 16 * 5/8 = 10 In Wipro = 48 * 11/6 = 88 In Infosys = 45/5 *7 = 63 Required number = 27+63+28+10+88 = 216
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I’m gonna watch out for brussels. I’ll appreciate if
you continue this in future. Numerous people will be benefited from
your writing. Cheers! Escape roomy lista
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you for posting.!
Hello there! Do you know if they make any plugins to help with SEO?
I’m trying to get my site to rank for some targeted keywords but
I’m not seeing very good gains. If you know of any please share.
Thank you! I saw similar article here: Bij nl