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The number of students in Seca and sece
of class 40 and 52, respectively.
The arevlage
score of all
the studen

By Charlotte

The number of students in Seca and sece
of class 40 and 52, respectively.
The arevlage
score of all
the students in
Mathematics is 75. If the average score of
students in A is 20% more than that
of students in B, then what is the
average
score of Students in B.​

About the author
Charlotte

Two numbers are in the ratio 3:4. If we 4 added to each
the ratio becomes 4:5. find two numbers.
4:5​

(-2)2

×
(2)3


is
equal
to​

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