Question

please solve this three question​

Answer 1

Step-by-step explanation:

1. A
2. 400-200=200 (A)
3. 400:200 = 400/200=4/2=2/1=2:1 (B)
4. 400+350+320+280+225+200=1775 (A)
5. (B)

Q.2.

1. -2m = 4

=> m=4/-2 = -2

2. z/2=3/4

=> 4z=3×4

=4z=12

z=12/4

z=3

3. 1/3+2 = 3

4.Sum of observations / number of observations

5.I think n+1/2

Q.3.

1. Don't know sorry
2. Didn't understand the question
3. Didn't understand the question
4. True
5. 12p-11-13 = 3

=> 12p-24 = 3

=> 12p = 3+24 = 27

=> 12p=27

=> p= 27/12 = 2.25

It is near to 2

So this is false

Sorry I couldn't answer 3rd bit .

:(

Hope 1st and 2nd bit will help u.

:)

Thank u.

:)

Answer 2

Given:-

• In attachment.

For Question.1)(a):-

in Which class is the number of children maximum?

(a) 6✔

(b)7

(c)8

(d)9

Answer:-

• 6

Explanation:-

• The range of number of children are in the table.

• In that we could see that 400 is the gteatest of all and the class that belongs to it is '6'.

For Question.1)(b):-

The difference between the maximum and minimum number of children is...!?

(a)100

(b)200✔

(c)300

(d)400

Solution:-

• =>difference=maximum-minimum

• =>difference=400-200

• :.Answer=200

hey mate! second answer is 200.

Explanation:-

• Hey mate! This is very easy,the maximum no.of children was 400 of class 6th and the minimum number was 200.

• So 400-200=200

For Question.1)(c):-

The ratio of the number of children in class 6th and 11th is...!?

(a)3:1

(b)2:1 ✔

(c)2:3

(d)1:4

Solution:-

• =>400:200

• =>2:1

hey mate! answer is 2:1

For Question.1)(d):-

The total number of children is....!?

(a)1775 ✔

(b)1675

(c)1575

(d)1785

Solution:-

• =>400+350+320+280+225+200

• =>750+320+280+225+200

• =>750+600+225+200

• =>750+825+200

• =>750+1025

• =>1775

Hey mate! your answer is option (a).

For Question.1)(e):-

In how many classes the number of children are more than 250....!?

(a)3

(b)4 ✔

(c)5

(d)6

Answer:-

• Class 6
• Class 7
• class8
• class 9
• =>4 classes

For Question.2)(a):-

The solution of the equation -2m=4 is ........

The solution of the equation -2m=4 is m=2

Solution:-

• (-2)m=4

• =>m=4/2

• =>m=2

Hey mate! Your answer is 2.

For Question.2)(b):-

The solution of the equation z/2=3/4 is ........

The solution of the equation z/2=3/4 is z=6

Solution:-

• =>z/2=3/4

• =>z=3/4×2/1

• =>z=3×8/4

• =>z=24/4

• =>z=6

For Question.2)(c):-

Write the given statement in equation form "One third of a number plus 2 is 3.

Answer:-

• =>1/3x+2=3

For Question.2)(d):-

Mean=______/number of observation.

Answer:-

Sum of observation

For Question.2)(e):-

The formula of calculating median is _____if 'N' is odd.

Answer:-

(n+1)/2

For Question.3):-

1) False

2)True

3)False

4)False

5) False

Hope it helped!