Vaishali Bhatia and Rupesh Pathak Solutions for Chapter: Data Handling and Probability, Exercise 10: Understand and Solve 2

Author:Vaishali Bhatia & Rupesh Pathak

Vaishali Bhatia Mathematics Solutions for Exercise - Vaishali Bhatia and Rupesh Pathak Solutions for Chapter: Data Handling and Probability, Exercise 10: Understand and Solve 2

Attempt the practice questions on Chapter 15: Data Handling and Probability, Exercise 10: Understand and Solve 2 with hints and solutions to strengthen your understanding. I Did It solutions are prepared by Experienced Embibe Experts.

Questions from Vaishali Bhatia and Rupesh Pathak Solutions for Chapter: Data Handling and Probability, Exercise 10: Understand and Solve 2 with Hints & Solutions

MEDIUM

7th CBSE

IMPORTANT

I Did It>Chapter 15 - Data Handling and Probability>Understand and Solve 2>Q 1

Anupam appeared for a competitive examination by paying a fee of $- 0.5$ . The examination consisted of $20$ questions with the following marking scheme:

• $+ 2$ marks for every correct answer

• $- 0.5$ mark for every incorrect answer

• $0$ marks for unattempted questions

The students who pass the exam with merit get the scholarship amount as follows:

• $₹ 2000$ scholarship for students scoring $90 %$ or more marks

• $₹ 1000$ scholarship for students scoring between $80 %$ to $90 %$ marks

• $₹ 500$ scholarship for students scoring between $75 %$ to $80 %$ marks
Marks obtained by Anupam in the examination were as follows:

Q.No.	$1$	$+ 2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$	$11$	$12$	$13$	$14$	$15$	$16$	$17$	$18$	$19$	$20$
Marks	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$- 0.5$	Not attempted	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	Not attempted

Find the total marks scored by Anupam in the examination.

MEDIUM

7th CBSE

IMPORTANT

I Did It>Chapter 15 - Data Handling and Probability>Understand and Solve 2>Q 2

Anupam appeared for a competitive examination by paying a fee of $₹ 200$ . The examination consisted of $20$ questions with the following marking scheme:

• $+ 2$ marks for every correct answer

• $- 0.5$ mark for every incorrect answer

• $0$ marks for unattempted questions

The students who pass the exam with merit get the scholarship amount as follows:

• $₹ 2000$ scholarship for students scoring $90 %$ or more marks

• $₹ 1000$ scholarship for students scoring between $80 %$ to $90 %$ marks

• $₹ 500$ scholarship for students scoring between $75 %$ to $80 %$ marks
Marks obtained by Anupam in the examination were as follows:

Q.No.	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$	$11$	$12$	$13$	$14$	$15$	$16$	$17$	$18$	$19$	$20$
Marks	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$- 0.5$	Not attempted	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	Not attempted

Find the mean marks scored by Anupam (aprroximate to 2 decimals)

MEDIUM

7th CBSE

IMPORTANT

I Did It>Chapter 15 - Data Handling and Probability>Understand and Solve 2>Q 5

Anupam appeared for a competitive examination by paying a fee of $₹ 200$ . The examination consisted of $20$ questions with the following marking scheme:

• $+ 2$ marks for every correct answer

• $- 0.5$ mark for every incorrect answer

• $0$ marks for unattempted questions

The students who pass the exam with merit get the scholarship amount as follows:

• $₹ 2000$ scholarship for students scoring $90 %$ or more marks

• $₹ 1000$ scholarship for students scoring between $80 %$ to $90 %$ marks

• $₹ 500$ scholarship for students scoring between $75 %$ to $80 %$ marks
Marks obtained by Anupam in the examination were as follows:

Q.No.	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$	$11$	$12$	$13$	$14$	$15$	$16$	$17$	$18$	$19$	$20$
Marks	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$- 0.5$	Not attempted	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	Not attempted

Find the mode of marks obtained by Anupam.

MEDIUM

7th CBSE

IMPORTANT

I Did It>Chapter 15 - Data Handling and Probability>Understand and Solve 2>Q 6

Anupam appeared for a competitive examination by paying a fee of $₹ 200$ . The examination consisted of $20$ questions with the following marking scheme:

• $+ 2$ marks for every correct answer

• $- 0.5$ mark for every incorrect answer

• $0$ marks for unattempted questions

The students who pass the exam with merit get the scholarship amount as follows:

• $₹ 2000$ scholarship for students scoring $90 %$ or more marks

• $₹ 1000$ scholarship for students scoring between $80 %$ to $90 %$ marks

• $₹ 500$ scholarship for students scoring between $75 %$ to $80 %$ marks
Marks obtained by Anupam in the examination were as follows:

Q.No.	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$	$11$	$12$	$13$	$14$	$15$	$16$	$17$	$18$	$19$	$20$
Marks	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$- 0.5$	Not attempted	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	Not attempted

Find the percentage of marks scored by Anupam in the examination.

MEDIUM

7th CBSE

IMPORTANT

I Did It>Chapter 15 - Data Handling and Probability>Understand and Solve 2>Q 7

Anupam appeared for a competitive examination by paying a fee of $₹ 200$ . The examination consisted of $20$ questions with the following marking scheme:

• $+ 2$ marks for every correct answer

• $- 0.5$ mark for every incorrect answer

• $0$ marks for unattempted questions

The students who pass the exam with merit get the scholarship amount as follows:

• $₹ 2000$ scholarship for students scoring $90 %$ or more marks

• $₹ 1000$ scholarship for students scoring between $80 %$ to $90 %$ marks

• $₹ 500$ scholarship for students scoring between $75 %$ to $80 %$ marks
Marks obtained by Anupam in the examination were as follows:

Q.No.	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$	$11$	$12$	$13$	$14$	$15$	$16$	$17$	$18$	$19$	$20$
Marks	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$- 0.5$	Not attempted	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	Not attempted

Complete the following frequency distribution table.

Marks Scored	Tally Marks	Number of Questions
$- 0.5$
$+ 2$
Not Attempted

MEDIUM

7th CBSE

IMPORTANT

I Did It>Chapter 15 - Data Handling and Probability>Understand and Solve 2>Q 9

Anupam appeared for a competitive examination by paying a fee of $₹ 200$ . The examination consisted of $20$ questions with the following marking scheme:

• $+ 2$ marks for every correct answer

• $- 0.5$ mark for every incorrect answer

• $0$ marks for unattempted questions

The students who pass the exam with merit get the scholarship amount as follows:

• $₹ 2000$ scholarship for students scoring $90 %$ or more marks

• $₹ 1000$ scholarship for students scoring between $80 %$ to $90 %$ marks

• $₹ 500$ scholarship for students scoring between $75 %$ to $80 %$ marks
Marks obtained by Anupam in the examination were as follows:

Q.No.	$1$	$2$	$3$	$4$	$5$	$6$	$7$	$8$	$9$	$10$	$11$	$12$	$13$	$14$	$15$	$16$	$17$	$18$	$19$	$20$
Marks	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$- 0.5$	Not attempted	$+ 2$	$+ 2$	$- 0.5$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	$+ 2$	Not attempted

Find the range of marks scored by Anupam.

Vaishali Bhatia and Rupesh Pathak Solutions for Chapter: Data Handling and Probability, Exercise 10: Understand and Solve 2

Vaishali Bhatia Mathematics Solutions for Exercise - Vaishali Bhatia and Rupesh Pathak Solutions for Chapter: Data Handling and Probability, Exercise 10: Understand and Solve 2

Questions from Vaishali Bhatia and Rupesh Pathak Solutions for Chapter: Data Handling and Probability, Exercise 10: Understand and Solve 2 with Hints & Solutions

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