**I. The following table gives the percentage of marks obtained by seven students in six different subjects in an examination. Study it and answer the question given below it. (1-5)**

**1. What are the average marks obtained by all seven students in physics? (Round off two digits after decimal)**

a) 89.14

b) 74.21

c) 72

d) 69.54

**Answer:** a) 89.14

**Explanation: **1/7 [(90% of 120) + (80% of 120) + (70% of 120) + (80% of 120) + (85% of 120) + (65% of 120) + (50% of 120)]

= 1/7 [(520% of 120)]

= 627/7 = 89.14

**2. Find the number of students who obtained 60% or above marks in all subjects?**

a) One

b) Two

c) Three

d) Four

**Answer:** b) Two

**Explanation:** From the table, it is clear that C and D have 60% or more marks in each of the six subjects.

**3. What was the aggregate of marks obtained by C in all six subjects?**

a) 352

b) 396

c) 449

d) 486

**Answer:** c) 449

**Explanation:** Aggregate marks obtained by C

= [(90% of 150) + (60% of 130) + (70% of 120) + (70% of 100) + (90% of 60) + (70% of 40)]

= [135 + 78 + 84+ 70 + 54 + 28]

= 449

**4. Who has scored the highest marks in Maths?**

a) B

b) A

c) D

d) E

**Answer:** a) b A

**Explanation:** Aggregate marks obtained by B in maths

= 100% of 150

= 150

**5. What is the overall percentage of G in all subjects?**

a) 40%

b) 50%

c) 60%

d) 70%

**Answer:** c) 60%

**Explanation:** Aggregate marks obtained by G

= [(65% of 150) + (35% of 130) + (50% of 120) + (77% of 100) + (80% of 60) + (80% of 40)] = 360

Maximum marks = 600

Overall % = (360/600) x 100

= 60%

**I. The following questions are to be answered on the basis of the pie chart given below. A person’s monthly salary is distributed over different expense heads. (1-5)**

**1. For a person, whose monthly salary is $6,000 p.m., how many items are there on which he has to spend more than $1000 p.m.?**

a) 1

b) 2

c) 3

d) 4

**Answer:** b) 2

**2. For the same person, an expenditure of $1800 p.m. takes place on: **

a) Petrol

b) House rent

c) Food

d) Clothes

**Answer:** b) House rent

**3. What is the annual savings for such a person will be approximate?**

a) $5,000

b) $10,000

c) $15,000

d) $16,560

**Answer:** d) 16,560

**4. What would be the monthly salary for a person who follows the same expense pattern but has a petrol expense of $500 per month?**

a) $2,500

b) $3,000

c) $5,000

d) $6,500

**Answer:** c) $5,000

**5. Which single item of expense is equal in percentage to the combined amount spent on clothes and savings?**

a) Petrol

b) House rent

c) Food

d) Entertainment

**Answer:** b) House rent

**II. Study the following graph carefully and answer the questions given below. Rainfall (in cm) in the cities of A and B over the given years. (6-10)**

**6. What is the ratio of rainfall in the city of A to that in B in the year 2018?**

a) 13: 15

b) 15 19

c) 15:17

d) 13: 17

**Answer:** c) 15 : 17

**7. Which year showed the maximum rainfall in both cities?**

a) 2018

b) 2020

c) 2017

d) 2021

**Answer:** d) 2021

**8. What is the average rainfall in the city of A over the years?**

a) 30.5 cm

b) 28 cm

c) 35 cm

d) 26 cm

**Answer:** a) 30.5 cm

**9. The rainfall in the city of B in the year 2017 is approximately, what per cent of the rainfall over the given years in the same city?**

a) 13%

b) 17%

c) 20%

d) 25%

**Answer:** b) 17%

**10. What is the difference in the rainfall of the two cities in the year 2019?**

a) 10 cm

b) 11 cm

c) 18 cm

d) 13 cm

**Answer:** d) 13 cm

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