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Anju Kohad 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
Let the object above sea level be denoted by +36 and that under the sea level by (-36) , then the difference
= 36 - (-36)
= 36 + 36
= 72
Posted by Shubham Singh 5 years, 5 months ago
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Posted by Ajay Keshrwani 5 years, 5 months ago
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Ajay Keshrwani 5 years, 4 months ago
Yogita Ingle 5 years, 4 months ago
2y × 4y=362
8y = 36 × 36
y = 36 × 36/8
y = 1296/8
y = 162
Posted by Suraj➕ Mallik➕? 5 years, 5 months ago
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Posted by Jukta Nayak 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
7/10 + 2/5 + 3/2 = 7/10 + 4/10 + 15/10
= (7 + 4 + 15)/10
= 26/10
= 13/5
Posted by Mugdha Narwade 5 years, 5 months ago
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Posted by Niharika Saikia 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
In a certain magazine 11/27 consists of advertisements and 1/3 of illustrations what fraction is readable matter
advertisements in magazine = 11/27
Illustrations in magazine = 1/3
Total content of magazine = 1
Readable matter = Total content - advertisements - illustrations
=> Readable matter = 1 - 11/27 - 1/3
=>Readable matter = (1/27)(27 - 11 - 9)
= 7/27
readable matter = 7/27
Posted by Harshita Desai 5 years, 5 months ago
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Posted by Kaashika Tomar 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
332%x=1346
332/100 × x = 1346
x = 1346 × 100/332
x =405.42
Posted by Rahul Yadav 5 years, 5 months ago
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Posted by Dharanesh Eswaran 5 years, 5 months ago
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Posted by Ashwani Pratap Singh 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
Let the number be x
According to the question
4 + 2x = 26 / 5
5 (4 + 2x ) = 26
20 + 10x = 26
10x = 26 - 20
10x = 6
X = 6 / 10
X = 3 / 5
Posted by Satyam Bhardwaj 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
Median
Median refers to the value which lies in the middle of the data when data is arranged in an increasing or decreasing order. Half of the observations lie above the median and the other half below it.
To calculate the median, the data is first arranged in an ascending or descending order. Then the middle value is observed.
For eg; 2, 4, 6, 8, 9
6 is the median in this case since it lies in the middle. There are two observations above and below 6.
In case of odd number of observation, the value of median is one of the observations in the existing data.
In case of odd number of observation, the value of median is one of the observations in the existing data.
In case of even number of observations, the value of median is not one of the observations in the existing data.
For eg : 2,4,6,8,9,10
The median is the average of two middle numbers 6 and 8.
Median = 6+8/2
Median =10/2=5
Problem : The scores in mathematics test (out of 25) of 15 students is as follows:
19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20
Find the mean of this data.
Solution:
The data is first arranged in an ascending order. We get :
5,9,10,12,15,16,19,20,20,20,20,23,24,25,25
It can be seen from this arrangement that 20 at the eight place is in the middle of the data. There are 7 observations below 20 and 7 observations above 20.
Therefore, 20 is the median of the data.
Posted by Krishna Rathod 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
Mean is an average of the given numbers: a calculated central value of a set of numbers. In simple words, it is the average.
Example :
<center>6, 11, 7
</center>- Add the numbers: 6 + 11 + 7 = 24
- Divide by <i>how many</i> numbers (there are 3 numbers): 24 / 3 = 8
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Angel Jaswani 5 years, 5 months ago
2Thank You