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High School
By
True IITJEE
on May 29, 2014 | Updated Jan. 3, 2018
JEE-Main 2013 Mathematics 35
All the students of a class performed poorly in Mathematics. The teacher decided to give grace marks of 10 to each of the students. Which of the following statistical measures will not change even aft…
Mathematics
Mathematics
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jee main
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variance
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High School
By
True IITJEE
on May 29, 2014 | Updated Jan. 3, 2018
JEE-Advanced 2013 Mathematics 55
A rectangular sheet of fixed perimeter with sides having their lengths in the ratio 8 : 15 is converted into an open rectangular box by folding after removing squares of equal area from all four corne…
Mathematics
Mathematics
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High School
By
Shiva Kintali
on Oct. 21, 2014 | Updated Jan. 4, 2018
Farmers and Chickens
Three farmers were selling chickens at the local market. One farmer had 10 chickens to sell, another had 16 chickens to sell, and the last had 26 chickens to sell. In order not to compete with each …
Mathematics
Mathematics
linear equations
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