Question

+8) The average of 10 numbers is 12, if 5 is added to each, what will be the new average A) S C1- D) 17 B) 19​

Answer 1

Answer:

options d

Division of the Integers is the last topic of the chapter - Integers. Properties of the division of integers are discussed in this section.

Students will learn these two points:

1. When a positive integer is divided by a negative integer, the quotient obtained is a negative integer and vice- versa.

2. Division of a negative integer by another negative integer gives a positive integer as quotient.

Also, we observer that

a divided by zero is undefined

a divided by 1 is a

A total of 4 unsolved exercises are given in this chapter to make the concept more clear.

Summarization of all the important points of the chapter at the end.

Page No

Answer 2

Answer:

17

Step-by-step explanation:

Given:

The average of 10 numbers is 12, if 5 is added to each, what will be the new average A) S C1- D) 17 B) 19.

To Find:

The average of 10 numbers is 12, if 5 is added to each, what will be the new average.

Solution:

Let the sum of all the numbers be s.

12 = s/10 => s = 120

Now as we add 5 to each number

New Sum = 120 + 5 × 10 = 170

New mean = 170/10 = 17

Change in mean = 17 - 10 = 7.

Therefore 17 is the answer.

This is your answer.