
For the given data:

Important Questions on Statistics
Arrange the following households in ascending order of per capita income.
Name of Household | Total Income of Household | Size of the Household |
Rajat | 6000 | 5 |
Raman | 5000 | 5 |
Suman | 3200 | 4 |
Priya | 8400 | 6 |

Consider the following for the question that follows:
candidates appeared in an examination comprising tests in English, Hindi and Mathematics. candidates failed in English only; failed in Hindi only; failed in Mathematics only; failed in both English and Hindi; failed in both Hindi and Mathematics; failed in both Mathematics and English; failed in all three tests.
What is the percentage of candidates who failed in only one subject?

The given pie-diagram shows the marks scored by a student in different subjects e.g. English, Hindi, Mathematics, Science and Social Science in an examination. Assuming that the total marks for the examination is answer the following question:
The marks obtained in three subjects English, science and Social Science is what percentage of the total marks ?

is a triangle with . Let be the mid-points of Respectively.
What is equal to?


The given table represents the exports (in ₹crores)of four items and over a period of six years. Study the table and answer the question that follows.
Items | ||||
Years | ||||
The total exports of item in and is what percentage of the total exports of all the four items in and ?

The given pie-diagram shows the marks scored by a student in different subjects e.g. English, Hindi, Mathematics, Science and Social Science in an examination. Assuming that the total marks for the examination is answer the following question:
The marks scored in Mathematics is what percentage of the total marks ?

Direction: Consider the following for the next 04 (four) items that follow:
In an examination of Class XII, of students passed in Biology, passed in Physics, passed in Chemistry, passed in Physics and Biology, passed in Physics and Chemistry, passed in Biology and Chemistry. Only failed in all the subjects.
What percentage of students passed in exactly one subject?

Direction: Consider the following for the next 04 (four) items that follow:
In an examination of Class XII, of students passed in Biology, passed in Physics, passed in Chemistry, passed in Physics and Biology, passed in Physics and Chemistry, passed in Biology and Chemistry. Only failed in all the subjects.
If the number of students is , then how many passed in at least two subjects?

The given pie-diagram shows the marks scored by a student in different subjects e.g. English, Hindi, Mathematics, Science and Social Science in an examination. Assuming that the total marks for the examination is answer the following question:
The marks scored in Hindi and Mathematics exceed the marks scored in English and Social Science by:

is a triangle with . Let be the mid-points of Respectively.
What is equal to?

The given pie-diagram shows the marks scored by a student in different subjects e.g. English, Hindi, Mathematics, Science and Social Science in an examination. Assuming that the total marks for the examination is answer the following question:
The subject in which the student scored marks ?

The daily wage of a person in rural area is Rs. 200 an the poverty line for a person is fixed at Rs. 800 per month for rural areas. Following table shows the detail of employment of four families living in a village. Identify the family living below poverty line:
Family | Total days of Employment of got in a month by the family | Members of family |
Ram | 10 | 2 |
Radha | 18 | 3 |
Raju | 12 | 4 |
Pooja | 25 | 5 |

The given pie-diagram shows the marks scored by a student in different subjects e.g. English, Hindi, Mathematics, Science and Social Science in an examination. Assuming that the total marks for the examination is answer the following question:
The subject in which the student scored marks is

Study the pie chart and information given below and answer the following questions. There are students in the school who opted Gardening as a hobby.
What is the total no. of students in the school ?

Study the pie chart and information given below and answer the following questions. There are students in the school who opted Gardening as a hobby.
How many students have Drawing as a hobby ?

Direction: Consider the following for the next 04 (four) items that follow:
In an examination of Class XII, of students passed in Biology, passed in Physics, passed in Chemistry, passed in Physics and Biology, passed in Physics and Chemistry, passed in Biology and Chemistry. Only failed in all the subjects.
What is the ratio of number of students who passed in both Physics and Chemistry to number of students who passed in both Biology and Physics but not Chemistry?

is a triangle with . Let be the mid-points of Respectively.
What is equal to?

Direction: Consider the following for the next 04 (four) items that follow:
In an examination of Class XII, of students passed in Biology, passed in Physics, passed in Chemistry, passed in Physics and Biology, passed in Physics and Chemistry, passed in Biology and Chemistry. Only failed in all the subjects.
What percentage of students passed in all three subjects?

