Change the following statements using expressions into statements in ordinary language. (For example, Given Salim scores r runs in a cricket match, Nalin scores (r + 15) runs. In ordinary language – Nalin scores 15 runs more than Salim.)
(a) A notebook costs ₹ p. A book costs ₹ 3p.
(b) Tony put q marbles on the table. He has 8 q marbles in his box.
(c) Our class has n students. The school has 20 n students.
(d) Jaggu is z years old. His uncle is 4z years old and his aunt is (4z – 3) years old.
(e) In an arrangement of dots, there are r rows. Each row contains 5 dots.

Solution:

We will use the concepts of algebra to answer the given questions.

a) A book costs 3 times the cost of a notebook. 
b) Tony’s box contains 8 times the number of marbles on the table. 
c) Total number of students in the school is 20 times of the students in our class
d) Jaggu’s uncle is 4 times older than Jaggu and Jaggu’s aunt is 3 years younger than his uncle. 
e) The total number of dots in a row is 5 times the number of rows.

NCERT Solutions for Class 6 Maths Chapter 11 Exercise 11.4 Question 2

Change the following statements using expressions into statements in ordinary language. (For example, Given Salim scores r runs in a cricket match, Nalin scores (r + 15) runs. In ordinary language – Nalin scores 15 runs more than Salim.) (a) A notebook costs ₹ p. A book costs ₹ 3p (b) Tony put q marbles on the table. He has 8 q marbles in his box. (c) Our class has n students. The school has 20 n students. (d) Jaggu is z years old. His uncle is 4z years old and his aunt is (4z – 3) years old. (e) In an arrangement of dots, there are r rows. Each row contains 5 dots.

Summary:

The statements in ordinary language are a) A book costs 3 times the cost of a notebook. b) Tony’s box contains 8 times the number of marbles on the table c) Total number of students in the school is 20 times of the students in our class d) Jaggu’s uncle is 4 times older than Jaggu and Jaggu’s aunt is 3 years younger than his uncle. e) The total number of dots in a row is 5 times the number of rows.

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