GENPACT
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(1/5)^3+(3/5)^3+3(1/5)(3/5)(1/5+3/5)=?
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applying the formula a^3+b^3+3ab(a+b)=(a+b)^3
the answer is 0.512
10 years ago
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GENPACT Other Question
If 3/p=8 & 3/q=18 then p-q=?
Three math classes:A,B,C Taken a test.
The avg score of A is=83.
The avg score of B is=76.
The avg score of C is=75.
The avg score of all students in classes A & B together is 67
The avg score of all students in classes B & C together is 81.
What is the avg of all 3 classes?