Your question was – Find the value of (a) which is the mean proportion of the variables ‘m’ as well as ‘n’ if m=5 and n=25.

It’s a very easy question for me please read my explanation of your question for better understanding.

According to the question,
(a) is the mean proportion of the variables
‘m’ as well as ‘n’.
This means that (a2) = m*n ….i
We know that, m=5 and n=25.
Putting these values in equation i, we get,
(a2) = 5*25 = 125

Now, taking square root on both sides we get, a = 5√5

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Your question was – If it is given that, 5 : 6 :: 100 : x, then in that case find the value represented by the variable ‘x’.

It’s a very easy question for me please read my explanation of your question for better understanding.
According to  the question,
5:6 :: 100:x ……(i)
We have to find the value of ‘x’
Now, equation (i) can also be written as follows,
5/6 = 100/x
∴ x = 100*6 / 5
∴ x = 600/5
= 120

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To create Instagram account without your phone number,
You must need to create a facebook account first with your email address or number
Then sigup to instagram with facebook account.

that means if you sign up or create your Instagram account with your Facebook account then you don’t need any phone number.

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You can sell any product on Instagram from your account. What kind of product you will sell from your account it depends on your wish.

there is no restriction. For this, people sell product according to their followers. You can also sell any kind of product from your account. If you want to increase your sell then of course you should know your followers. You should know what type of product like your followers. For example, suppose your follower want to buy computers accessories but if you post an add of beauty product. Then your followers will not buy your product but if you can promote your computer accessories then your followers will buy from your account. So I think you can understand easily that what type of product you should promote from your account.

Is there any restriction to sell product?
No, because all companies want to sell their product at any anyways.

Thank you

Your question was:
Tell me which is the correct answer?
Find out the result when you have to divide the integer 150 in the ratio 2:3:5.

a. 100:25:25
b. 1:75:75
c. 50:50:50
d. 30:45:75
e. None of the above

It’s a very easy question for me please read my explanation of your question for better understanding.

Correct answer: d

Explanation:
According to the question,
The given ratio = 2:3:5
Sum of the ratio = 2+3+5 = 10
Then, first part of the ratio = (2/10) * 150 = 150/5 = 30
Second part of the ratio = (3/10) * 150 = 450/10 = 45
Similarly, the third part of the ratio = (5/10) * 150 = 150/2 = 75

Hence, the correct answer is option d.

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Your questions was: What percentage of 750 is equal to 225?
which is the correct answer?
a. 10%
b. 20%
c. 30%
d. 40%
e. None of the above

Solution:
According to the question,
Exact number is 750.
Say ‘x%’ of 750 is 225.
We have to find the value of ‘x’.
Now, 750 * x/100 = 225
∴ x = 225 * 100 / 750
∴ x = 30
Hence, the correct answer is option c.

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Your question was – The price of 1 kg of beans was $15 in the month of June. The price of beans increased to $17 by the month of July. Calculate the percentage increase in the cost of beans from June to July.
Right?

It’s a very easy question for me please read my explanation of your question for better understanding.

According to  the question,
Price of 1kg of beans in the month of June = $15
Price of 1kg of beans in the month of July = $17
Total increase in the price of beans from June till July in terms of $ = $2
We have to increase in terms of percentage.
Let this value be ‘x’.
∴ x% of 15 = 2
∴ 15 * x/100 = 2
∴ 15 * x = 100 * 2 = 200
∴ x = 200/15
∴ x = 13.33

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Thank you very much for your valuable questions. Facebook unfollow button is a very effective button for all Facebook users. Now I just try to explain the necessity of facebook unfollow button.

Suppose you have a friend on Facebook who’s status is bad for this you did not like his or her facebook status. so you don’t want to get his/her facebook status or  notification in your facebook wall. To do this, you can unfollow button.

Maybe you have a familiar  person in your Facebook friend list whom you cannot unfriend but you dislike  all of him or her Facebook status.

Now what will you do?
Yes, In this situation you can just unfollow him /her. look you do not need to unfriend him or her just unfollow him / her. Then you will be on your friend list and you will not get any notification of a status or activity and he will not get any information that you have unfollow him.

Remember, When you unfollow someone, you won’t see their posts in your News Feed, but you’ll still be friends with them.

To unfollow a person, Page or group:

1. Click in the top-right corner of Facebook
2. Select News Feed Preferences
3. Click Unfollow people to hide their posts
4. Select a person, Page or group

To unfollow a person, Page or group from your News Feed:

1. Click on the top right of their story
2. Select Unfollow

To unfollow a person, Page or group directly:

1. Go to the profile, Page or group you want to unfollow
2. Hover over Following (on a profile or Page) or click Joined (in a group) near their cover photo
3. Select Unfollow

if you think my answer is effective for you than just follow and share my answer. You can also visit my website-  https://www.itinfoworld.com

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Thank you very much for your question. I’m very glad to know that you have come to a question-answer website to solve your problem. That means, you have a strong will to learn this math. I really appreciate it. Thank you again.

Your question is – Sam covers a total distance of 80km while travelling from a certain point X to a certain point Y and come back again to the start point X. He covers the first 40 km distance from point X to point Y at a speed of 25 km/hr. While travelling back to the point X from point Y, Sam drives his vehicle at a speed of 15 km/hr. Calculate the average speed of Sam for the entire journey.

I have solved this problem thus, you can read my Explanation for your better understanding:

We know the standard formula for speed, time and distance as, distance = speed * time.
Using this formula we can easily find out the correct answer to the above question.

According to the question,
Total distance covered by Sam = 80 km …..i
Speed of Sam while travelling from point X to point Y = 25 km/hr …..ii
∴ Time taken by Sam to go from point X to point Y = 40/25 = 1.6 hours …..iii
Speed of Sam while travelling back from point Y to point X = 15 km/hr …..iv
∴ Time taken by Sam to go from point Y to point X = 40/15 = 2.66 hours …..v
∴ The total time to cover the total distance of 80 km = 1.6 + 2.66 = 4.26 hours …..vi
∴ Average speed for the entire round trip = 80/4.26 = 18.77 km/hr

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Thank you very much for your question. I’m very glad to know that you have come to a question-answer website to solve your problem. That means, you have a strong will to learn this math. I really appreciate it. Thank you again.

Your question is – Andrew had 4 children. One of his children was found to be dead due to some accident. At this time the average age of all his 4 children was 16 years. What will be the average age of the remaining children of Andrew, after a time period of 7 years of the death of his child?

I have solved this problem thus, you can read my Explanation for your better understanding:

According to  the question,
Total number of children Andrew had = 4 …..i
The average of all his 4 children = 16 years …..ii

∴ The sum of the ages of all his 4 children = 16*4 = 64 …..iii

And, sum of the ages of children after the death of 1 child = 16*3 = 48 …..iv

Now, sum of the ages of the remaining children after 7 years of the death of 1 child of
Andrew = 48 + (3*7) = 48+21 = 69 …..v

Thus, the average age of his remaining 3 children after 7 years of death of his 1 child =
69/3 = 23 …..vi

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